A system is best defined as:
a. a group of different types of cells working together to perform a function
b. a group of different tissues working together to perform a function
c. a group of organs working together to perform a function
d. none of the above
c. a group of organs working together to perform a function
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The cardioregulatory center of the brain is located in the
A. cerebellum. B. diencephalons. C. hypothalamus. D. cerebrum. E. medulla oblongata.
The pulmonary veins carry ________ blood to the ________.
A. deoxygenated; right atrium B. oxygenated; lungs C. oxygenated; left atrium D. deoxygenated; lungs
How does the process of sweating help the body regulate temperature?
A. Sweat helps trap cool air against the skin thereby reducing body temperature. B. Sweat causes vasodilation which allows the core temperature of the body to drop. C. Sweat is cold and the production of it decreases body temperature. D. Sweat produced on the skin will evaporate and cool the body if body temperature is too high.
Which is not correct about spongy bone?
A. Its spaces hold red bone marrow. B. It forms diploe in the cranial bones. C. It is located in the epiphyses of long bones. D. It is located deep to compact bone. E. It is composed of tubular units called osteons.