What is binomial nomenclature

the tricuspid valve is present between right atrium and right ventricle

cuz some people don't have enough food. that's why we need more ppl to donate food to the hungry.

answer; blank(1); cervical; blank(2); lumbosacral;

while the heads of the phospholipid structure attract water, the tails are hydrophobic. the model shows how the hydrophilic section folds around the fluid molecules to bring them into the cell so they don’t need to pass through the hydrophobic tails.