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All muscles have the ability to return to their original shapes after they have been stretched; which of the following terms describes this particular characteristic of all muscles?
A. Excitability
B. Extensibility
C. Contractibility
D. Elasticity
Select your answer:
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The Cell › ViewThese cell organelles are sacs bounded by a single membrane that contain as many as 40 different enzymes. The enzymes are all hydrolytic and catalyze the breakdown of proteins, nucleic acids, lipids, and carbohydrates.
A. E.R.
B. Mitochondria
C. Vacuole
D. Lysosome
E. Centriole
Circulatory System › View
Carbon dioxide is considered a _________________
A. food
B. waste
C. energy
D. fun party favor