I would think that the answer is D. all of these, considering that:
1) The cytoplasm is mostly made of water, but also contains salt, enzymes, organelles, and orgaince molecules; 2) The cytoplasm supports and suspends cellular molecules and organelles; and 3) Chemical reactions also occur in the cytoplasm, and the enzymes it contains help speed up these reactions.
There are 4 chambers of the heart
AIDS which results from HIV infections, results from the inability to fight off infections not the viruses direct attack on the immune system. This means other diseases as small as an Upper Respiratory Tract infection (a cold) or the flu, can hit much harder and are more lethal.
Yes it is possible to get the stomach flu
Answer:
He has increased his knowledge
