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30 Cards in this Set
- Front
- Back
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an organism is brought back from unexplored territory in peru. the room temp is 15 degrees C , the body temp is 18 degrees C , when the room temp is 22 degrees C and the body temp is 22 degrees C. when the room temp is 30C and the body is 27C . what is true given these facts |
this organism is ectothermic |
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what is the role of epithelium |
covers exsposed body surfaces |
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which of the following is NOT a constituent of blood |
All of the above |
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which structure is obstructed when someone has a heart attack |
coronary arteries |
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which of the following is NOT a characteristic of an artery |
it have valves |
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because humans endothermic, the are limited in their fuctining to certain enviroments |
false |
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you touch a hot stove and very quickly pull you arm back. which of the following is controlling this spinal reflex action |
spinal cord only |
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which of the following combination is CORRECT for the funtions of the lymphatic system |
recycling and retrieving nutrients |
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which of the following blood cells fights infection |
leukocytes |
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which accessory organs secretions emulsify fats in the intestines |
liver |
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blood and fat are considered to be what type of tissue |
connective |
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what 2 elements are responsible for nervous signal traveling down the axon of nerve cell |
sodium and potassium ( NA and K ) |
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calcium levels in your blood drop to a low level. your body sends a signla to a particular gland to release hormones that will release calcium from your bones and increase levels in your blood. once levels return to a high level, your body sends a signal to the gland to stop releasing the hormone. this is an example of |
negative feedback |
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which of the following is a way to regulate body temp. |
shivering, behavior, sweating |
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the function of the cardiovascular system is |
the deliver oxygen to tissues and cells, deliver nurtients throughout the body, collects waste such as co2 |
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breakdown of proteins is to the stomach as |
absorption of water is o the large intestine |
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which of the following statements about the sensory receptors in the human eye is true? |
the rods are more sensitive to light but do not distinguish colors; the cones are less sensitive to light, but are able to distinguish colors |
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which of the following groups of senses utilize CHEMORERECPTORS to send signals to the brain |
smell and taste |
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the image to the right is of a neuron. what is the long tail of a neuron |
axon |
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which of the following is NOT one of the four types of tissues |
neurons |
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humans have a closed circulatory system. which of the following describes a closed circulatory system |
all of the blood is carried in various types of blood vessels |
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why is carbon monoxide (CO) so deadly |
CO binds to the hemoglobin so oxygen cannot |
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which of the following descriptions identifies chemical digestion |
large polymers are broken down into usable monomers |
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during digestion, food leaves the stomach and enters which structures |
the small intestine |
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which of the following is a function of the nervous system |
recieve stimuli , process information , inititiate a response |
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the lack of which neurotransmitter has been assosiated with alzheimer disease |
acetylcholine |
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whic of the following sensory recptors are involved in perception of pain |
nocieptork |
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which structure changes shape to control how much light enters the eye |
iris |
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which of the following structures connects the humorous to the radius |
ligament |
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the skeletal system |
provides structure, protecton, blood , calcium |
