Does anybody know anything about plant systems and what they would be as animal systems?
my teacher gave us weird hw that she didnt give us notes .

Most animal cell membranes have proteins that pump. ions out of the cell and potassium ions into this

Pulmonary arteries carry highly oxygenated blood. true or false?

Asap many people try to eliminate fat from their diets which is one reason it is necessary for humans to eat fat a) fat is the only way to get energy b) every cell in the body must contain fat c)fat stores less energy than polysaccharides d) saturated fats make blood vessels healthier