Which muscles are strengthened the most by swimming? a.) the muscles of the abdomen b.) the muscles of the legs c.) calf muscles d.) shoulder muscles

The endoplasmic reticulum (er) is an organelle in some cells. in these cells, it is continuous with the nuclear membrane and forms a large part of the cell\'s total membrane. sort the phrases below as describing rough er, smooth er, both, or neither. note: if you answer any part of this question incorrectly, a single red x will appear indicating that one or more of the phrases are sorted incorrectly.1) found in prokaryites and uekaryotys2) involved in protein synthesis3) involve in lipid synthesis4) contains molecular chaperones in lumen5) bound with ribosomes6) involved in toxin or drug metabolism7) large systemot internnected tubules,vesicles, and sacs8) "packages" enzymes in vesicles for secretion.

Hedgerows have created a new ecosystem within britain’s a. farms b. cities c. forests d. industrial areas

Aboy jumps into a cold swimming pool and his body tempature goes down hus muscles ,blood vessels