A freckle is a concentrated spot of this pigment
A) carotene B) keratin C) cyano D) melanin
Answer: D
Anatomy & Physiology
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Anatomy & Physiology
Atropine is an antagonist of ACh and works by
a. selectively binding to nicotinic receptors b. selectively binding to muscarinic receptors c. blocking the binding of ACh d. both a and b e. both b and c
Anatomy & Physiology
Cells that are thick in the middle and tapered toward the end are called __________ cells.
A. squamous B. stellate C. columnar D. spheroid E. fusiform
Anatomy & Physiology
The gastrocnemius inserts on the
A. tibia. B. calcaneus. C. femur. D. phalanges.
Anatomy & Physiology