Events of excitation contraction coupling, such as the release of calcium from intracellular stores, occur during the ________ period of a muscle twitch.
A. contraction
B. latent
C. relaxation
Answer: B
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The functions of the lymphatic system do not include
A) returning interstitial fluid to the bloodstream. B) protecting the body against infection. C) transporting the products of lipid digestion from the intestine to the liver. D) transporting hormones to intestinal smooth muscle.
In general, the nervous system
A) controls only conscious activities. B) is fast acting. C) is long lasting. D) responds to changes in the external environment only. E) is one of the simplest organ systems.
The ____________________ is a ring of cartilage that forms the lowermost or inferior walls of the larynx
Fill in the blank(s) with correct word
________ is to contraction as ________ is to relaxation
A) Systole; diastole B) Diastole; systole C) Filling; relaxing