To initiate a cardiac muscle cell contraction, calcium
A. binds to actin.
B. binds to troponin.
C. binds to calmodulin.
D. binds to the Z-disc.
E. binds to tropomyosin.
Answer: B
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What will be an ideal response?
Synovial fluid
A. is a double layer of tissue that endorses a joint B. is a layer of tissue that is continuous with the periosteum C. provides a smooth surface where bones meet D. lines the joint everywhere except over articular cartilage E. is a thin lubricating film covering the surface of a joint
The anterior cruciate ligament, of the knee joint, anchors the tibia bone to:
A) a ligament. B) another bone. C) a bursa. D) a muscle.
The infundibulum, fimbriae, and mesometrium are organs or structures found in ________
A) females B) males