The primary lymphoid tissues include
A) the bone marrow.
B) the thymus.
C) the bone marrow and thymus.
D) the lymph nodes and tonsils.
E) the bone marrow, thymus, spleen and lymph nodes.
C
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Reddened skin reflects
A) inheriting extra melanin. B) constricted blood vessels with more blood entering the epidermis. C) dilated blood vessels with more blood entering the dermis. D) eating too many carrots.
The spleen is an organ in which body system?
A) urinary B) respiratory C) digestive D) lymphatic
T3 and T4 are stored in the lumen of thyroid follicles as part of the ________ molecule.
A. thyrotropin B. thyroid-stimulating hormone C. thyroglobulin D. thyroxine-binding protein E. calcitonin
Which exocrine glands are in the integument?
A) Sweat glands and salivary glands B) Mammary glands and salivary glands C) Sweat glands and sebaceous glands D) Mucous glands and sebaceous glands E) Mucous glands and sweat glands