You and a friend are walking in a park when you see a man collapse and fall to the ground. after gently shaking the man and asking "are you ok? " there is no response, and he is not breathing. your friend calls 911. what should you do?

If you are in a chronic state of anxiety but also suffer from moment of sudden, intense fear you are problably suffering. from

Imagine ? person stepping on a pin and pulling his or her foot way look at the réfléchir arc of the scenarios below

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.