Match the following:
A) Digestion
B) Hydrolysis
C) Absorption
D) Peristalsis
1) Wavelike smooth muscle contractions that move foodstuffs through the alimentary tube.
2) Chemical or mechanical process of breaking down foodstuffs to substances that can be absorbed.
3) Enzymatic breakdown of any type of food molecule.
4) Process by which the products of digestion pass through the lumen of the gastrointestinal tract into the blood or lymph.
1) D) Peristalsis
2) A) Digestion
3) B) Hydrolysis
4) C) Absorptio
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Fill in the blank(s) with the appropriate word(s).
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a. The AV valves are opening. b. The AV valves are closing. c. The semilunar valves are opening. d. The semilunar valves are closing.
Which type of skeletal muscle fiber typically has a smaller diameter?
A. Type I B. Type II
The area around the center of an atom, which contains negatively charged subatomic particles, is called the electron
A) cloud. B) nucleus. C) active site. D) buffering zone. E) double helix.