What is the function of estrogen?
A) It stimulates the release of progesterone from the pituitary gland.
B) It signals the anterior pituitary gland to secrete luteinizing hormone.
C) It releases androgens that are responsible for pubic and armpit hair.
D) It signals the posterior pituitary gland to secrete gonadotropic hormones.
Answer: B) It signals the anterior pituitary gland to secrete luteinizing hormone.
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Food is formed into a soft mass called a(n) ____________________ by the actions of the tongue, teeth, and saliva
Fill in the blank(s) with correct word
Which of the following represents the correct sequence of blood flow through the nephron?
A. Blood enters the kidney through the renal artery - efferent arteriole - glomerulus - afferent arteriole - peritubular capillaries - renal vein - exits the kidney. B. Blood enters the kidney through the renal vein - afferent arteriole - glomerulus - efferent arteriole - peritubular capillaries - renal artery - exits the kidney. C. Blood enters the kidney through the renal artery - afferent arteriole - peritubular capillaries - efferent arteriole - glomerulus - renal vein - exits the kidney. D. Blood enters the kidney through the renal artery - afferent arteriole - glomerulus - efferent arteriole - peritubular capillaries - renal vein - exits the kidney.
Mucin is secreted by________ glands, which combines with water to form a thick and sticky product. ________ glands produce a relatively watery fluid.
A. merocrine; holocrine B. serous; mucous C. apocrine; mixed D. endocrine; exocrine E. mucous; serous
The rate of action potentials generated by a muscle spindle is proportional to the amount of muscle stretch.
Answer the following statement true (T) or false (F)