Chemical messengers released directly into the bloodstream, with the ability to affect cells for hours or days, are called ________.
A. neurotransmitters
B. dendrites
C. hormones
D. sensory cells
Answer: C
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Answer the following statements true (T) or false (F)
1) Standing on tiptoes requires plantar flexion. 2) Turn sole outward is called eversion. 3) Point toe toward shin is called inversion. 4) One special movement of the thumb is called reposition. 5) Turn soles inward is called dorsiflexion.
Which describes sperm development in correct order?
A. Spermatid, primary spermatocyte, secondary spermatocyte, spermatogonium B. Sustentacular cell, spermatid, primary spermatocyte, spermatogonium C. Primary spermatocyte, secondary spermatocyte, spermatogonium, spermatid D. Spermatogonium, primary spermatocyte, secondary spermatocyte, spermatid
What is the largest of the cranial nerves and the most important sensory nerve of the face?
A. Facial nerve (VII) B. Trigeminal nerve (V) C. Abducens nerve (VI) D. Hypoglossal nerve (XII) E. Accessory nerve (XI)
the endocrine system is a highly complex system of glands that secrete important hormones for a variety of body
a. true b. false