The two types of electrical signals in neurons are ________.
Fill in the blank(s) with the appropriate word(s).
graded potentials and action potentials
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The walls of the smallest lymphatic vessels contain muscle tissue that rhythmically propels lymph through the system
Indicate whether this statement is true or false.
The biogenic amino hormones include __________.
a. leukotrienes, prostaglandins, and thromboxanes b. androgens, estrogens, corticosteroids, and calcitriol c. oxytocin, ADH, GH, and prolactin d. E, NE, dopamine, melatonin, and thyroid hormones
The lateral margin of the uterine tube, which bears the fimbriae, is called the
A. uterine part. B. infundibulum. C. isthmus. D. ampulla. E. fornix.
A child who skins his knee in a fall has a(n)
A) abrasion. B) laceration. C) puncture. D) incision. E) contusion.