Sneezing is the method some viruses spread (normally flu ones). When you are infected, and you sneeze, the viruses a dispersed in the air and the person that breathes he infected air might get infected.
Hope it helped,
Happy homework/ study/ exam!
Answer:
Because sometimes, certain chemical reactions can excite/slow down an organism, and the action needs to be reversed to maintain normality.
Cancer cells are insensitive to growth, they stimulate their own. They also resist inhibitory signals. They also deactivate cells and genes usually causing these opposing cells to die. <span />
Answer:Lipids perform three primary biological functions within the body: they serve as structural components of cell membranes, function as energy storehouses, and function as important signaling molecules. The three main types of lipids are triacylglycerols (also called triglycerides), phospholipids, and sterols.
triglycerides- fat
phospholipids- plant and animal cell membrane
sterols- plant and animal cell membrane's microorganism.
Explanation:
