Structure C is the
A) choroid.
B) iris.
C) sclera.
D) ciliary body.
E) lens.
B) iris.
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Osteoblasts communicate to osteoclasts via osteoprotegerin
Indicate whether the statement is true or false
Proteins prevent ions from crossing cell membranes.
Answer the following statement true (T) or false (F)
Which of the following is NOT an effector controlled by the autonomic nervous system?
A. cardiac muscle B. glands C. skeletal muscle D. smooth muscle in blood vessels E. smooth muscle in the digestive system
Of the following items listed below, which is the best description for why skeletal muscle stores glycogen
A) Glycogen provides a smooth surface for filaments to slide on. B) Glycogen is part of muscles rigid supporting framework. C) Skeletal muscle is a heavy consumer of energy. D) The glycogen is an insulating layer that helps regulate body temperature.