Multiple Choice
In a hinge joint:
A) a flexor muscle moves the insertion toward the origin.
B) an extensor muscle moves the origin toward the insertion.
C) motion is accomplished when flexor and extensor muscles both contract.
D) movement in three dimensions is possible.
E) the flexor and the extensor must expand at the same time.
Correct Answer:

Verified
Correct Answer:
Verified
Q25: The pectoral girdle is part of the
Q27: Smooth muscle in the human body includes
Q28: Earthworms and sea anemones move by the
Q29: During embryonic development, the initial skeleton is
Q30: Describe the differences between fast-twitch and slow-twitch
Q32: Based on this figure, the _ inserts
Q33: Cartilage contains:<br>A)actin.<br>B)myosin.<br>C)ligaments.<br>D)glycoproteins.<br>E)calcium and phosphate.
Q34: The living cells of cartilage are called:<br>A)osteocytes.<br>B)osteoclasts.<br>C)osteoblasts.<br>D)chondrocytes.
Q35: What happens to an astronaut who spends
Q85: How does a muscle return to its