Aperson with type ab blood receives a transfusion of type o blood. will there be a transfusion reaction? why or why not?

What feature of cell theory is best demonstrated in the image

The pharynx is the structure in the body that serves as a pathway of both air and food. how does the body make sure that food does not get into the lungs? the salivary glands secrete enzymes that pull food out of the air pathway. the small intestine pushes the air out of the digestive system. the pancreas breaks down food in the air pathway. the epiglottis closes the air pathway so that food will not enter it.

Some substances but not other can cross the (blank) membrane of a cell