Where are the choices? Can you give the choices so we can answer the question?
I don’t know dear keep trying
Answer:
the right ventricle pumps the oxygen-poor blood to the lungs through the pulmonary valve.
<span>The phospholipid bilayer is a thin polar membrane made of two layers of lipid molecules. ... Biological bilayers are usually composed of amphiphilicphospholipids that have a hydrophilic phosphate head and a hydrophobic tail consisting of two fatty acid chains.</span>
