During the follicular phase, the ovary secretes ____ levels of estrogen and ____ levels of progesterone
a. high, high
b. high, low
c. low, high
d. low, low
B
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The epidural space contains
A) lymph. B) cerebrospinal fluid. C) gray matter. D) denticulate ligaments. E) connective tissue and blood vessels.
Solubility refers to the ability of one substance to ___________ in another
A. react B. dissolve C. precipitate D. conduct E. None of these choices are correct.
Meiosis is only observed in the ________ and ________.
A. skin; finger nails B. testes; skin C. ovaries; testes D. ovaries; breasts
Cerebrospinal fluid (CSF) is formed by ________ and reabsorbed through arachnoid granulations into ________
A) astrocytes; ependymal cells B) dural sinuses; ependymal cells C) the cerebral aqueduct; arachnoid villi D) choroid plexuses; dural sinuses