Endocrine controls:
a. occur quickly and last for short periods of time
b. are similar in onset and duration to CNS controls
c. require duration rather than speed
d. are targeted at precise organs
e. none of the above
C
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Elastic cartilage and a stratified squamous epithelium are found in which respiratory structure?
a. Bronchiole b. Bronchus c. Epiglottis d. Nasal concha e. Trachea
Where does most nutrient reabsorption occur?
A) 2 B) 3 C) 4 D) 5 E) 6
Which of the following is NOT a function of the bones?
A. To contain the cells that produce blood cells B. To help to buffer blood pH C. To store inorganic salts D. To serve as attachment sites for muscles E. All of these are functions of the bones.
The phosphate "head" of a phospholipid is
A) hydrophobic. B) hydrophilic. C) polar. D) nonpolar. E) both hydrophilic and polar.