Osteoarthritis is more common in older adults due to ____.
A) a long-term nutritional deficiency
B) a lifetime of jarring joints
C) repeatedly breaking tendons
D) gradual loss of bone mass
E) an autoimmune disorder
Correct Answer:
Verified
Q20: Earthworms have a(n) _.
A) exoskeleton
B) endoskeleton
C) hydrostatic
Q21: The _ is most like an endoskeleton.
A)
Q22: When you bring your hand to your
Q23: When a muscle contracts, the opposing muscle
Q24: The _ is a bone of the
Q26: For muscles to contract, _ ions need
Q27: Bones store _, which is important for
Q28: Gibbons are able to swing through the
Q29: The _ attaches to the lower leg
Q30: The pectoral girdle and the pelvic girdle
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