Acceleration involves a change in
a.
time only
c.
velocity over time
b.
distance only
d.
none of the answers are correct

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 cluster of developing cells from conception until birth is called an

Ascientist wanted to formulate a pill to attack a specific type of bacteria that infects the throat. which biological component would be best to use as a model for the pill's function? bacteriocytes phagocytes complement antibodies