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Piggy Practical
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167
Biology
10th Grade
05/18/2010

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Term
Digestion: You need your digestive system to
Definition
break down food into simple molecules that are more easily absorbed
Term
Digestion: The Digestive system consists of
Definition
mouth, pharynx, esophagus, stomach, small intestine, large intestin (colon)
Term
Digestion: Also helpful are (secretions)
Definition
salvitory glands (parotid and sublingual) pancras, liver
Term
Digestion: Start of digestion happens in the
Definition
mouth
Term
Digestion: What type of digestion? teeth crush mash and tear food
Definition
mechanical
Term
Digestion: What type of digestion? Amylase breaks carbs into sugars
Definition
chemical
Term
Digestion: What type of digestion? stomach churns food into a think liquid
Definition
mechanical
Term
Digestion: What type of digestion?
pepsin breaks protiens into amino acids
Definition
chemical
Term
Digestion: What type of digestion?
bile breaks lipids into smaller fats
Definition
mechanical
Term
Digestion: Where does this happen?
amylase breaks carbs into sugars
Definition
mouth
Term
Digestion: Where does this happen?
bile breaks lipids into smaller fats
Definition
small intestine
Term
Digestion: Where does this happen?
pepsin breaks protiens into amino acids
Definition
stomach
Term
Digestion: Where does this happen?
The majority of neutriens are absorbed
Definition
small intestin
Term
Digestion: Where does this happen?water and vitamin absorbtion occurs
Definition
colon/large intestine
Term
Digestion: Where does this happen?
enzymes and socium bicarbonate are released
Definition
pancreas
Term
Digestion: Where does this happen?
bile is stored in an extremely concentrated form
Definition
gall bladdar
Term
Digestion: Where does this happen?
peristalsis moves a bolus of food from one place to another
Definition
esophagus
Term
Digestion: Where does this happen?
a flap moves over the trachea to keep food from entering
Definition
pharynx
Term
Digestion: What does saliva do to food?
Definition
It makes it wet and soft and starts digestion
Term
Digestion: release of saliva is a ______ controled by what system?
Definition
reflex; nervous
Term
Digestion: saliva begins what type of digestion?
Definition
chemical
Term
Digestion: What enzyme breaks down starch in the mouth?
Definition
amylase
Term
Digestion: What enzyme digests bacterial walls and thus helps fight infection?
Definition
lysozyme
Term
Digestion: What is the tube called that runs between the mouth and the stomach?
Definition
esophagus
Term
Digestion: What is a chewed ball of food called?
Definition
bolus
Term
Digestion: What is peristalsis?
Definition
muscle contactions that move food down the esophagus
Term
Digestion: What is the doorway between the esophagus and the stomach called?
Definition
cardiac sphincter
Term
Digestion: What kind of digestion happens in the stomach?
Definition
mechanical and chemical
Term
Digestion: What mechanical digestion happens in the stomach?
Definition
stomach muscles churn and mix food
Term
Digestion: What two chemicals continue digestion?
Definition
HCL (hydrocloric acid)and pepsin
Term
Digestion: What does pepsin digest?
Definition
protiens
Term
Digestion: What is special about the environment that pepsin needs?
Definition
it must be acidic
Term
Digestion: What does not like an acidic environment? Why not?
Definition
Amylase, i denatures in the acid
Term
Digestion: What is chyme?
Definition
stomach fluids and partly digested food
Term
Digestion: What is the valve called that lets food into the small intestine?
Definition
The pyloric valve
Term
Digestion: Where does most of digestion and absorbtion occur?
Definition
Small intestine
Term
Digestion: What are the three parts of the small intestine?
Definition
duodenum, jejunum, ileum
Term
Digestion: What is the first part of the small intestine?
Definition
duodenum
Term
Digestion: What is the second segment of the small intestine?
Definition
the jejunum
Term
Digestion: What is the last part of the small intestine?
Definition
the ileum
Term
Digestion: What gets sent into the duodenum? Where is it from?
Definition
Enzymes and NaHCO3 from the pancreas, bile from the liver and gall bladder
Term
Digestion: What are villi?
Definition
They are the little fingers on the intestinal wall
Term
Digestion: Why are villi there?
Definition
The make more surface area for absorbtion
Term
Digestion: T/F When food leaves the small intestine there are still many neutrients left
Definition
false
Term
Digestion: What is left after the small intestine?
Definition
Water, cellulose, and other undigestibles
Term
Digestion: What is the colon also called?
Definition
the large intestine
Term
Digestion: What does the colon do?
Definition
It removes water from the food.
Term
Circulatory system: T/F Humans have an open circulatory system.
Definition
False. Humans have a closed circulatory system
Term
Circulatory system: The human circulatory system is. . . single loop or double loop?
Definition
double loop
Term
What does the circulatory system consist of?
Definition
heart, blood vessels, blood
Term
Circulatory system: What does the circulatory system consist of?
Definition
heart, blood vessels, blood
Term
Circulatory system: The heart is almost entirely of _______
Definition
muscle
Term
Circulatory system: the heart is enclosed by the __________
Definition
pericardium
Term
Circulatory system: What muscle does the pumping in the heart?
Definition
myocardium
Term
Circulatory system: How many times per minute does the heart beat?
Definition
72 times
Term
Circulatory system: What is the divider of the heart?
Definition
the septum
Term
Circulatory system: What does the septum do?
Definition
It keeps the non oxygenated blood from mixing with the oxygenaated blood
Term
Circulatory system: What are the cranial chambers of the heart called?
Definition
atriums
Term
Circulatory system: What are the caudal regions of the heart called?
Definition
ventricles
Term
Circulatory system: The right side of the heart takes blood to what other organ?
Definition
the lungs, pulmonary circulation
Term
Circulatory system: Where does the left side of the heart take blood? What is this called?
Definition
the body, this is systematic circulation
Term
Circulatory system: What keeps blood from moving backward?
Definition
valves
Term
Circulatory system: What are valves analagous to?
Definition
One way doggy doors
Term
Circulatory system: What is the pacemaker?
Definition
This is a small group of cardic muscle that start a wave of muscle contractions through the heart
Term
Circulatory system: Where is the pacemaker or sinoatrial node?
Definition
the right atrium
Term
Circulatory system: Which contracts first, the ventricles or the atrium?
Definition
the atriums contract first
Term
Circulatory system: What are the three types if blood vessels?
Definition
arteries, capillaries, veins
Term
Circulatory system: What type of blood do arteries carry? What is the exception to this?
Definition
Oxygenated blood, except for the pulmonary artery
Term
Circulatory system: Who has thicker walls, the veins or the arteries?
Definition
the arteries do, this is to withstand the force of the blood pumping
Term
Circulatory system: How big are capillaries?
Definition
one cell thick
Term
Circulatory system: What do cappilaries do?
Definition
the exchange neutrients, oxygen, CO2 and waste with cells
Term
Circulatory system: Where do veins always take blood?
Definition
the heart
Term
Circulatory system: What are varicose veins from?
Definition
blood pooling because of weak valves
Term
Circulatory system: What do veins carry? What is the exception?
Definition
deoxygenated blood, except for the pulmonary veins
Term
Circulatory system: What is blood pressure?
Definition
the force of the blood on the walls of the arteries
Term
Circulatory system: What is normal blood pressure?
Definition
120/80
Term
Circulatory system: What does 120/80 represent?
Definition
systolic pressure over diastolic pressure (d for denominator)
Term
Circulatory system: How does the body control blood pressure?
Definition
it uses neurotransmitters
Term
Circulatory system: What is hypertension?
Definition
High blood pressure
Term
Circulatory system: What can happen if you have hypertension?
Definition
the heart works too hard and you can have a heart attack or stroke
Term
Respiratory system: What is the point of the respiratory system?
Definition
to bring O2 into the body and get CO2 out of the body
Term
Respiratory system: What does the respiratory system consist of?
Definition
Lungs, nose, pharynx, larynx, trachea, bronchi
Term
Respiratory system: What is the first step of the respiratory path?
Definition
air moves in through the nose (or mouth)
Term
Respiratory system: What is the second step of the respiratory path?
Definition
air moves into the pharynx
Term
Respiratory system: What is the third step of the respiratory path?
Definition
the epiglottis moves to let air into the trachea
Term
Respiratory system: What is the fourth step of the respiratory path?
Definition
Air moves past the larynx (voice box) and then through the rest of the trachea
Term
Respiratory system: What is the fifth step of the respiratory path?
Definition
Air goes onto the two bronchi that lead into the lungs
Term
Respiratory system: What is the sixth step of the respiratory path?
Definition
bronchi divide into bronchioles
Term
Respiratory system: What is the seventh step of the respiratory path?
Definition
BRonchioles keep dividing to get smaller and smaller until they dead end in alveoli
Term
Respiratory system: What is the eighth step of the respiratory path?
Definition
alveoli are surrounded by capillaries where CO2 and O2 are exchanged
Term
Respiratory system: What is the ninth step of the respiratory path?
Definition
the whole process happens backwards to get the CO2 out
Term
Respiratory system: What is the first line of defense your body has to ward off sickness?
Definition
cilia in the nose and trachea that wave particles away, and mucus to trap particles
Term
Respiratory system: How many alveoli are in each lung?
Definition
about 150 million
Term
Respiratory system: What makes O2 diffusion more efficient?
Definition
hemoglobin
Term
Respiratory system: Hoe much more O2 does hemoglobin let your blood carry?
Definition
60 times more
Term
Respiratory system: What is breathing?
Definition
the act of moving air in and out of your lungs
Term
Respiratory system: What is the sac surrounding the lungs called?
Definition
pleura
Term
Respiratory system: What is the diaphragm?
Definition
The muscle at the base of the thoracic cavity
Term
Respiratory system: What happens to inhale? (increase or decrease)
Definition
the diaphragm contracts, the rib cage rises, volume of chest cavity increases as air rushes in to fill the space
Term
Respiratory system: What happens when you exhale?
Definition
diaphragm relaxes, rib cage lowers, space becomes smaller, air is pushed out
Term
Respiratory system: Larger exhales require ________ for a stronger push
Definition
chest muscles
Term
Respiratory system: What is the part of the brain that controls breathing?
Definition
the medulla ablongata
Term
Respiratory system: What does the medulla ablongata monitor the level of?
Definition
CO2
Term
Respiratory system: When CO2 levels are two high, what happens?
Definition
cells trigger nerves to make the diaphragm contract and breath out, more CO2, stronger impulse
Term
Respiratory system: What is. . .
a stimulant that increases your heart rate and blood pressure?
Definition
nicotine
Term
Respiratory system: What is. . .
something that keeps hemoglobin from binding with O2
Definition
carbon monoxide
Term
Respiratory system: What is. . .
carcinogenic
Definition
tar
Term
Respiratory system: What do the toxins in cigarettes do?
Definition
they keep cilia from working
Term
Respiratory system: If the cilia are not working, what is left?
Definition
mucus
Term
Respiratory system: What happens when mucus builds up?
Definition
the respiratory tract swells and air flow is reduced
Term
Respiratory system: Smoking reduces your ___________.
Definition
life expectancy
Term
Respiratory system: What is it called when your bronchi swell and become clogged with mucus
Definition
chronic bronchidus
Term
Respiratory system: What is it called when your lungs loose elasticity?
Definition
Emphysema
Term
Respiratory system: What happens if your lungs have reduced elasticity?
Definition
The tissue can not get enough O2 or release enough CO2
Term
Respiratory system: How long do you have to live if you have lung cancer?
Definition
generally less that 5 years
Term
Urogenital System: The urogenital system consists of what two systems?
Definition
Excretory and reproductive
Term
Urogenital System: What is excretion?
Definition
the process of eliminating metabolic wastes
Term
Urogenital System: What are examples of metabolic wastes?
Definition
water, salts, CO2, Urea
Term
Urogenital System: What is urea?
Definition
Amino Acid byproduct
Term
Urogenital System: T/F Urea is in urine
Definition
T
Term
Urogenital System: T/F Urea is urine
Definition
F
Term
Urogenital System: What removes urea from the bloodstream?
Definition
your kidneys
Term
Urogenital System: What are the two parts of the kidney?
Definition
renal cortex and the renal medulla
Term
Urogenital System: What takes urine to the urinary bladder?
Definition
ureters
Term
Urogenital System: What is the renal cortex made up of?
Definition
nephrons
Term
Urogenital System: T/F all of the nephrons in the kidney work together and need each other to function
Definition
False. Each nephron is its own working unit
Term
Urogenital System: Each nephron has a loop of ___________.
Definition
Henle
Term
Urogenital System: The loops of ________ lead into the __________.
Definition
Henle; renal medulla
Term
Urogenital System: Each nephron has its own blood supply. What velsels make this up?
Definition
arterioles, venules, and capillaries
Term
Urogenital System: Blood goes into the nephron via a _________.
Definition
arteriole
Term
Urogenital System: What happens while the blood in the nephron is flowing through the capillaries?
Definition
it is being filtered
Term
Urogenital System: Where do impurities go from the blood?
Definition
into the collecting duct
Term
Urogenital System: Where does the purified blood go?
Definition
out the venule
Term
Urogenital System: What are the two steps in blood purification?
Definition
filtration and reabsorbtion
Term
Urogenital System: Where does filtration take place?
Definition
in the glomerulus
Term
Urogenital System: What is the glomerulus?
Definition
a ball of capillaries surrounded by a bowmans capsule
Term
Urogenital System: How does the filtrate get into the bowman's capsule?
Definition
the blood goes through at such high speed that all of the small impurities get spun out into the bowman's capsule.
Term
Urogenital System: Why don't the red blood cells and platelets get filtered out too?
Definition
the are too big
Term
Urogenital System: What is reabsorbtion?
Definition
this is the process where the stuff that is needed in the blood is put back in
Term
Urogenital System: How much water from the bowman's capsule gets reabsorbed?
Definition
99%
Term
Urogenital System: What makes up urine?
Definition
urea + water + salts + other stuff
Term
Urogenital System: What causes Kidney stones?
Definition
crystalization of salts in the urine
Term
Urogenital System: What tells the blood what it should have in it? What is in control.
Definition
Most of the time things simply move down the consentration gradient, sometimes the endocrine system releases hormones in response to something in the blood
Term
Urogenital System: T/F You can live fine with just one kidney
Definition
T
Term
Urogenital System: What happens if you have no kidneys?
Definition
you need to get a transplant or dialysis
Term
Urogenital System: What is dialysis?
Definition
A machine filters your blood for you and then puts it back into your body.
Term
Urogenital System: What is the point of the male reproductive system?
Definition
to produce and deliver sperm
Term
Urogenital System: What is the scrotum?
Definition
the sac that holds the testes
Term
Urogenital System: Why are the testes outside of the body?
Definition
The need to be kept at a slightly lower temperature than the rest of the body
Term
Urogenital System: Where are sperm produced?
Definition
in the seminiferous tubeuoles
Term
Urogenital System: How many seminiferous tubuoles are in each testis?
Definition
hundreds
Term
Urogenital System: What is in the head of a sperm? The middle? The tail?
Definition
head=DNA, mid piece=mitochondria, tail=a flagellum
Term
Urogenital System: From the testis, where do the sperm go?
Definition
to the epididymis
Term
Urogenital System: Form the epididymis sperm go into the _____ ___________.
Definition
Vas Deferens
Term
Urogenital System: From the Vas deferens they go to the _______ and eventually out the ___________.
Definition
urethra; penis
Term
Urogenital System: What is seminal fluid? What is its job?
Definition
it is a fluid that is made to feed and protect the sperm
Term
Urogenital System: What is in semen?
Definition
sperm + seminal fluid
Term
Urogenital System: How many sperm are there in one drop of semen?
Definition
2,500,000
Term
Urogenital System: What is the point of the female reproductive system?
Definition
to produce eggs and get the body ready for an embryo
Term
Urogenital System: What are eggs called?
Definition
Ovum (singular) or Ova (plural)
Term
Urogenital System: What are all females born with?
Definition
primary follicles which are immature eggs.
Term
Urogenital System: What happens to a primary follicle each month?
Definition
It goes through meiosis and produces 3 polar bodies and one mature egg
Term
Urogenital System: What is ovulation?
Definition
the process of releasing a mature egg
Term
Urogenital System: Where does the egg go from the ovary?
Definition
into the fallopian tude
Term
Urogenital System: Are the fallopian tubes and the ovaries attached?
Definition
no
Term
Urogenital System: What moves the ovum through the fallopian tubes?
Definition
nice cilia
Term
Urogenital System: Where is the egg fertilized?
Definition
fallopian tubes
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