The vital centers for the control of heart rate, respiration, and blood pressure are located in the ________.
A) pons
B) medulla
C) midbrain
D) cerebrum
B) medulla
You might also like to view...
As cells are pushed from the deeper portion of the epidermis toward the surface,
A) they divide. B) they die. C) their nutrient supply increases. D) they enter the dermis. E) they produce daughter cells.
A k-selected species
a. produces a large number of young. b. provides minimal nourishment to its offspring. c. has low offspring survival. d. demonstrates high parental involvement.
Which layer of the skin contains blood vessels AND nerve fibers?
A. Dermis B. Epidermis C. Epidermis and dermis
Although the length of the menstrual cycle varies between women, menstruation consistently occurs 14 days after ovulation, and thus the ________ phase is constant in length.
A. proliferative B. menstrual C. secretory D. follicular