The embryonic respiratory diverticulum is formed from
A. endoderm.
B. mesoderm.
C. ectoderm.
Answer: A
You might also like to view...
The acetabular fossa
A. accommodates the head of the femur. B. is covered with articulating cartilage. C. contains a fat pad. D. All of the above
During development embryonic cells will fuse to form muscle fibers. This will result in ________
A) the coordination of nerve signals to muscle fibers B) the striations that appear in skeletal and cardiac muscle tissues C) multinucleated muscle fibers that can extend as long as 30 centimeters D) interlocking of cells that can prevent the filaments from sliding
Given the following parameters: blood capillary pressure at arteriolar end of tissue capillaries: 35 mm Hg; blood capillary pressure at venule end of tissue capillaries: 15 mm Hg blood-colloid osmotic pressure: 22 mm Hg interstitial-fluid hydrostatic pressure: 1 mm Hg interstitial-fluid-colloid osmotic pressure: 0 mm Hg; what would the reabsorption pressure be?
a. 6 mm Hg b. 7 mm Hg c. 8 mm Hg d. 10 mm Hg e. 22 mm Hg
The term "nerve fiber" refers to a(n) ________.
A. bundle of macromolecules in nerve cells B. organ C. axon D. nerve cell E. organelle in nerve cells