Why do arteries have more smooth muscle than veins?
a. more blood moves through veins.
b. more blood moves through arteries.
c. arteries experience higher blood pressure.
d. veins experience higher blood pressure.

How does pregnancy begin? a) a placenta forms in the uterus b) a sperm reaches an egg in the fallopian tubec) the blastocyst differentiates into two cell types d) contractions begin in the uterine wallapex

Iwill make you brainliest pleeze answer this fast i have to turn it in really soon brainliest promise easy question 6th grade ! a weather map shows a high pressure system with circles around it. what does this mean? a) an occluded front b) areas of equal altitude c) areas of equal pressure d) a stationary front

The direct energy source that drives atp synthesis during respiratory oxidative phosphorylation is