The chorionic villi
A. increase surface area of the amniotic cavity.
B. form from branches of the syncytiotrophoblast cords.
C. contribute to the formation of the placenta.
D. are necessary for implantation to occur.
E. are not part of the placental formation.
Answer: C
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During the process of ear ________________________________________, various patterns are cut into pigs' ears as a means of identification
Fill in the blank(s) with correct word
The "iodine pump" refers to the
a. mechanism whereby target cells extract iodine-containing thyroid hormone from the blood. b. active transport mechanism that concentrates iodine in the thyroid. c. mechanism whereby T3 and T4 are released from thyroglobulin and pumped into the circulation. d. protein binding process whereby T3 and T4 are pumped throughout the body bound to plasma proteins. e. mechanism whereby ingested iodine is absorbed by the small intestine.
Describe how endocrine and exocrine glands differ structurally
What will be an ideal response?
The wrist is composed of eight
A. tarsal bones. B. carpal bones. C. metacarpal bones. D. metatarsal bones. E. digits.