Biology, 29.08.2019 09:00 erickasmith1988

Which of the following best defines muscles?
a. long flexible tendons that connect bones
b. tough strong tissues that provide energy to perform physical activities
c. thick fibrous cartilage that act when sent electrical signals
d. smooth long fibers that are controlled by the skeletal system

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Which of the following best defines muscles?
a. long flexible tendons that connect bones