Which of the following is NOT part of the sperm?

A. Head
B. Tail
C. Body
D. Middle piece


Answer: C

Anatomy & Physiology

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During the rising phase of the action potential,

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In which structure does fertilization usually occur?

A. Ovary B. Uterus C. Urethra D. Urinary bladder E. Uterine tube

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A child is infected with chicken pox (Varicella-Zoster virus), which triggers a primary immune response. The memory cells produced to suppress further attacks by chicken pox consist of

A. B cells only. B. both B cells and T cells. C. T cells only. D. neither B cells nor T cells.

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Cardiac muscle tissue

a. has well developed sarcoplasmic reticulum b. has fast myosin ATPase activity c. contracts only when stimulated neurogenically d. has gap junctions e. stores calcium in its T tubules

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