HELP FAST How does the circulatory system work at the tissue level?

A. Nutrients are delivered through out the body.
B. The heart pumps blood.
C. Blood cells carry nutrients.
D. Cardiac muscle contracts.

List two modern organisms that have pentameral symmetry

Based on the law of dominance, we would expect percent of the offspring from this cross to have large teeth.

Johnny rode his bike 4 blicks down the street to his friend's house once he got to his friend house and realized he could not cone out to play he turned aroubd and went back home. what is displacement for the total bike ride? how did you determine this? what could we use as a reference point to determine he was in motion during his bike ride? why can you use it as a reference point