The hormone controlling erythropoiesis is produced in what organ?
a. pancreas.
b. brain.
c. heart.
d. kidney.
e. intestine.
D
You might also like to view...
Inhaling through the nostrils is preferred over the mouth because
A) there is less resistance to air flow. B) it combines olfaction with respiration. C) it allows better conditioning of the inhaled air. D) bacteria won't be inhaled from the oral cavity. E) it dries out the mouth.
Which of the following is incorrect about water movement across the membrane?
a. water can only move across the membrane through water channels b. the movement of water is referred to as osmosis c. water can slip between and pass through phospholipid molecules d. water channels are known as aquaporins e. water tends to be attracted to an area with a higher solute concentration
The ________ vertebrae have the largest vertebral foramina, while the ________ vertebrae have the largest size.
A. thoracic; cervical B. cervical; lumbar C. cervical; thoracic D. thoracic; lumbar E. lumbar; cervical
Which of the following membranous structures is closest to the fetus?
A. The placental sinus B. The smooth chorion C. The villous chorion D. The placenta E. The amnion