Smooth muscle, a type of specialized muscle cell, functions in which process?

a.) food digestion
b.) skeletal movement
c.) pumping of blood
d.) heart contraction

Plzz hurry im being timed during times of vigorous physical activity, muscles require a constant supply of oxygen. how does the body respond to these needs? a. breathing rate and heart rate both decrease. b. breathing rate and heart rate both increase. c. heart rate decreases, but breathing rate remains stable. d. breathing rate increases, but heart rate remains stable.

Set comes up with for examples of sound waves ocean wave light wave and hand wave which of tonys examples is not an actual scientific wave

The image below shows a weather service map. which details best describe this map? check all that apply