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| Principle of Complementarity of structure and function |
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| exhaustive observation, then draw generalizations from what is observed. [“beyond reasonable doubt”] |
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| Hyothetico-Deductive method |
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| formulate hypothesis then test. [Know what will prove it wrong.] |
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Observation>Question>Hypothesis>Prediction>Test (experimental or additional observation) |
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1. Adequate numbers – to control for normal variation
2. Control and experimental groups
3. Psychosomatic [placebo effect]
4. Bias
5. Statistical evaluation
6. Peer review
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features that have evolved |
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change in genetic composition of a population over time
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Opposable thumbs
Stereoscopic vision; color vision
Upright walking – bipedalism
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Order of Hominids
(oldest to most current) |
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Australopithecus aferensis et al – Homo habilis – Homo erectus – Homo sapiens
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Levels of organization of Human Structure:
(Smallest to Largest)
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Atom à moleculeà cell à tissue àorgan à organ system à organism
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Only about 70 % are like book.
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22, 70Kg, 20 degrees, 2800 Calories/day |
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22, 20 degrees,58 Kg, 2000 Calories/day
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processes that maintain a constant internal environment.
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Variable
(In reference to Homeostasis) |
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monitors the variable (homeostasis) |
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ldetermines variable values and makes decisions to maintain that level (homeostasis)
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carries out response (homeostasis) |
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reverses the variable’s
level - ex. High Bp à response that
lowers Bp pressure |
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increases effect - ex.
Labor contractions increase release of oxytocin, increasing contractions
Can be dangerous because the cycle feeds itself-ex: a high fever |
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– oldest of medical imaging processes
- Dense structures reflect radiation and appear light.
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Computed Tomography
[CT scan]
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1. X-rays from all directions; thin slices.
2. Removes ambiguity of over.
3. Done with & without contrast.
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Standing erect, facing observer
Feet together, flat on floor
Arms at sides, palms forward
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A. Superior B. Inferior
C. Anterior/ventral D. Posterior/dorsal
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A-above or highest B-below or lowest
C-front D-back
E-toward central line F-along the side of[image] |
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| WHAT ARE THE BASIC STRUCTURAL LEVELS (REGIONS) OF THE BODY? |
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Definition
- Axial Region - consists of the head, neck (cervical region), and trunk
- Appendicular Region - consists of upper and lower limbs
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simplest form of matter with
unique chemical properties
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smallest piece with all the properties of a substance
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Chemical properties of atoms differ because of
numbers and arrangements of ____________. |
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Definition
Electrons
(specifically Valence electrons - electrons that are in the outermost shell) |
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| The subatomic particle that is positively charged and located in the nucleus is the _________. |
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| When an atom of an element loses an electron it becomes a ___________ with a ________charge. |
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Definition
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Two examples of bonding due to electrical charge attractions are the _______and the ______ bonds.
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| Sharing electrons between atoms is called_________________ bonding. |
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| List properties of water which makes water biologically significant. |
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l
- Thermal – absorbs & releases heat slowly
- High specific heat
l
l
- High heat of vaporization (absorbs heat while changing to gas)
- Adhesion
l
l
l
- Hydrophilic & hydrophobic interactions
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When you add an acid to a solution, the acid will release ________ into the solution and cause the pH to
______________ (increase/ decrease). |
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Definition
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| A compound made of carbon, hydrogen and oxygen is called a/an ______( organic or inorganic) compound. |
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Definition
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| An enzyme is called a ____________________ because it speeds up the rate of a chemical reaction. |
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Definition
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Which two classes of biological macromolecules are used to store energy?
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The cell membrane is particular about which substances can pass. This describes the membrane property of
being _____ ____. |
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Definition
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| The substance that is dissolved in the solvent |
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In ________, substances move from areas of high concentration to areas of low. |
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