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Science EXAM NOTES!
notes
26
Science
7th Grade
12/14/2011

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Cards

Term
How many bones are in the human body?
Definition
206
Term
How many muscles are there in the human body?
Definition
639
Term
How many chambers and valves does the heart have?
Definition
4 each
Term
What fights infrection?
Definition
lymphatic system
Term
What is the largest artery of the body?
Definition
Aorta
Term
What is the upper chambers of the heart?
Definition
atrium
Term
What are ventricles?
Definition
lower chambers of the heart
Term
Is the human circulatory system a closed system?
Definition
yes
Term
part of the brain that monitors the amount of water in the blood
Definition
hypothalamuse
Term
process of artificial blood filtration
Definition
dialysis
Term
organs made up of alveoli
Definition
lungs
Term
sheet of muscle avross the botom of the chest cavity
Definition
diaphragm
Term
organ where the urine is collected
Definition
bladder
Term
What is a synapse?
Definition
small space across which an impulse must travel to move to the nex neuron
Term
What makes up the central nervous system?
Definition
brain and spinal cord
Term
What is a nerve cell?
Definition
neuron
Term
What is the largest part of the brain?
Definition
cerebrum
Term
In what part of the bbody are the hammer, anvil, and stirrup?
Definition
the ear
Term
What are the 4 receptors of skin?
Definition
pain, pressure, temperature, and touch
Term
What do taste buds detect?
Definition
bitter, sour, salty, and sweet
Term
keeps conditions of the body constant and steady
Definition
homeostasis
Term
chemical messages from glands throughout the body
Definition
hormones
Term
What are the human developement stages in order?
Definition
1.Infancy
2.Childhood
3.Adolescence
4.Adulthood
5.Older Adulthood
Term
process in which a liquid is heated to a temperature that kills most bacteria
Definition
pasteurization
Term
made from killed bacteria or damaged particles from bacteria cell walls or viruses that can prevent some bacterial and vial diseases
Definition
vaccine
Term
What is the average human body temperature in celcius?
Definition
37 degrees
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