In order for a muscle to contract properly, it requires
A) Energy.
B) Oxygen.
C) Nutrients.
D) An adequate blood supply.
E) all of the above
E) all of the above
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Matching
A) Peristalsis B) Digestion C) Hydrolysis D) Absorption 13) Wavelike smooth muscle contractions that move foodstuffs through the alimentary tube. 14) Chemical or mechanical process of breaking down foodstuffs into simpler units. 15) Enzymatic breakdown of any type of food molecule. 16) Process by which simpler chemical units pass through the lumen of the gastrointestinal tract into the blood or lymph.
Which organ system removes carbon dioxide from the bloodstream?
A) cardiovascular B) lymphatic C) respiratory D) digestive E) endocrine
Which of the following are used in "metabolic crossroads" ?
a) Pyruvic acid b) Glycogen c) Ribose d) ATP e) Lipase
Using the figure above, identify the labeled part.
1. Label A: ______________________________
2. Label B: ______________________________
3. Label C: ______________________________
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5. Label E: ______________________________
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24. Label X: ______________________________