The hormone(s) responsible for preparing the breasts for lactation during pregnancy is (are)
A. estrogen.
B. progesterone.
C. oxytocin.
D. prolactin.
E. both estrogen and progesterone.
E
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Define anestrus
What will be an ideal response?
Which type of joint has a joint cavity?
A. Symphyses joint B. Suture joint C. Syndesmoses joint D. Synovial joint
A(n) ________ consists of a combination of a weak acid and its dissociation products.
Fill in the blank(s) with the appropriate word(s).
Identify the true statement(s) about receptors:
a. They may be a specialized ending of an afferent neuron b. They exist that are specific for every modality in the environment c. When stimulated enough may cause Na+ channels in the afferent neuron to open d. They may be cells closely associated with the peripheral endings of afferent neurons e. All of the above are true.