What specific structural characteristic makes voluntary control of urination possible? 26
What will be an ideal response?
The deep muscles of the urogenital diaphragm make up the external urethral sphincter muscle. This muscle can be consciously controlled, and therefore provides voluntary control of urination.
You might also like to view...
Which one of the following is true?
A. Osteoclasts deposit bone matrix around themselves and become osteocytes when they are isolated in lacunae. B. Osteoblasts are large, multinucleated cells that break down calcified bone matrix. C. Osteoblasts deposit bone matrix around themselves and become osteocytes when they are isolated in lacunae. D. Osteoclasts secrete bone matrix and become osteoblasts.
The large passageways into which the minor calyces empty are the
A) renal calyx. B) renal pelvis. C) major calyces. D) renal cortices. E) renal medullae.
Which cells in the male reproductive system possess the smallest, most darkly stained nuclei?
a. Apical (mature) spermatids b. Epithelial cells of the epididymis c. Leydig cells d. Sertoli cells e. Spermatogonia
Oxygen deprivation at birth can lead to ________, a condition in which the limbs exhibit spastic weakness.
A. muscular dystrophy B. cerebral palsy C. atonia D. Parkinson's disease