________ prevents excessive dryness and keeps skin soft and pliable.
A. The dermal papillae
B. Keratin
C. Sebum
D. Water
Answer: C
Anatomy & Physiology
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Sperm are functionally matured within the
A) epididymis. B) straight tubules. C) rete testes. D) seminiferous tubules. E) seminal gland (seminal vesicle).
Anatomy & Physiology
Which is the correct sequence in the transmission of a neural impulse?
a. Axon--Dendrite--Cell body--Synapse b. Dendrite--Axon--Cell body--Synapse c. Synapse--Axon--Dendrite--Cell body d. Axon--Synapse--Cell body--Dendrite e. Dendrite--Cell body--Axon--Synapse
Anatomy & Physiology
The highest concentration of cones is in the
A) fibrous layer. B) blind spot. C) choroid. D) optic disc. E) fovea centralis.
Anatomy & Physiology
The function of the urinary bladder is to
A. produce urine. B. store sperm and semen. C. store urine until it is expelled. D. None apply.
Anatomy & Physiology