The development of a child into a sexually mature young adult is called
A. metamorphosis.
B. puberty.
C. maturation.
D. menarche.
Answer: B
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B lymphocytes
a. are responsible for antibody-mediated immunity b. are activated by thymosin c. mature and differentiate into macrophages d. bind with foreign antigen in association with self-antigen e. are attacked by AIDS virus
While exercise is considered a major factor in causing an increase in growth hormone secretion, an increase in blood amino acids is considered a minor factor
Indicate whether the statement is true or false
Somatic motor neurons in the spinal cord control all of the following muscles except those that
A) position the pectoral girdle. B) move the arm. C) move the hand and fingers. D) move the face. E) move the forearm and hand.
Which facial bone is shaped like the letter "L"?
A. Lacrimal B. Nasal C. Zygomatic D. Palatine E. Vomer