Which of the following is a series of functional changes that sperm go through when they are in the female reproductive tract?
a) Acrosomal reaction
b) Maturation
c) Fertilization
d) Capacitation
e) Polyspermy
d
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What makes up the oil on the surface of the skin?
A. Waste material from cellular metabolism B. Ruptured cells from sebaceous glands C. Extracellular fluid not drained by the lymphatic system D. Waste material (bilirubin) from dead red blood cells E. Plasma leakage from damaged blood vessels
Tendons and ligaments consist primarily of which protein?
A. Keratin B. Elastin C. Fibrin D. Actin E. Collagen
The heads of the metatarsals articulate with the cuneiform bones and cuboid.
Answer the following statement true (T) or false (F)
The spinal cord
1.functions solely as a conduit for signals originating in the cerebrum. 2.is organized similarly to the brain, with grey matter surrounding white matter. 3.integrates reflexes between afferent input and efferent output without involving the brain. 4.receives afferent signals along the ventral root, which enters the ventral horn of the spinal cord. 5.All of these are correct.