The "vital centers" (cardiac, respiratory, vasomotor centers) are located in the: select one:
a. pons
b. midbrain
c. thalamus
d. medulla oblongata

Where do the respiratory and circulatory systems meet? a. in the heart b. in the muscles c. in the lungs d. in the brain

The allele for curly hair is incompletely dominant. if a mother is homozygous for curly hair and the father is homozygous for straight hair, what percentage of the offspring will exhibit characteristics of both parents? 25 percent 50 percent 75 percent 100 percent

Which macromolecule catalyzes chemical reactions this be considered enzyme chemical reactions thus he considering enzymes