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For fertilization to occur, sex must occur no more than ______before ovulation, and _______after ovulation.

Which hormone(s) is produced in the hypothalamus and transported through nerves to the posterior pituitary?

The middle layer of the brain meninges is the __________.

Allergy medication often causes feelings of sleepiness because of the medication’s role as a(n) __________.

Infusion of the transmitter substance __________ induces wakefulness.

When an impulse enters a neuron, it is received by the __________ and passed to the next cell via the ____________.

Allergy medication often causes feelings of sleepiness because of the medication’s role as a(n) __________.

Infusion of the transmitter substance __________ induces wakefulness.

Galvani’s experiment involving a frog leg proved that __________.

The process by which similarly charged particles repel each other and are thus distributed throughout a medium is termed __________.