Semen is
A. produced solely by the testis.
B. a vaginal secretion needed to activate sperm.
C. sperm cells plus the secretions of accessory glands.
D. responsible for engorgement of erectile tissue of the penis.
E. is composed only of sperm cells.
C
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Which of the following is NOT a way that the skeletal system contributes to homeostasis?
a) Provides support and protection for internal organs. b) Stores and releases sodium ions. c) Houses blood forming tissue. d) Protects the brain and spinal cord. e) Serves as attachment and leverage points for muscles.
Blood cells are produced in hemopoietic tissue found in
A. white bone marrow. B. compact bone. C. red bone marrow. D. yellow bone marrow. E. brown bone marrow.
Excess circulating glucose:
a. is stored as glycogen b. is transformed to fatty acids and glycerol c. can eventually be converted to triglycerides d. both (a) and (b) e. all of the above
Which muscle is not essential to taking a bite of food and chewing it?
A. Temporalis B. Genioglossus C. Masseter D. Palatoglossus E. Zygomaticus major