The portion of the bone that produces red blood cells is the __________
Fill in the blank(s) with correct word
bone marrow
You might also like to view...
The organic molecules known as phospholipids are key components of cell membranes and composed of what monomeric units?
A) glycerol B) amino acids C) fatty acids D) nucleotides E) both glycerol and fatty acids
The baroreceptors in the carotid sinus and aortic arch are sensitive to which of the following?
a decrease in carbon dioxide changes in arterial pressure a decrease in oxygen levels an increase in oxygen levels
An excess of hydrogen ions in the body fluids can have fatal results because this can
A) block ion movements. B) change the shape of large complex molecules, rendering them nonfunctional. C) disrupt tissue functions. D) All of the answers are correct. E) None of the answers is correct.
Which nervous system usually maintains a heart rate of 72 beats per minute?
A) somatic nervous system B) sympathetic nervous system C) parasympathetic nervous system D) central nervous system