Answer:
Hemagglutinin is an envelope viral protein used to attach to host cells and gain entry via endocytosis
<span>The two different kinds of t-cells are the Helper t-cells and the killer t-cells.
T cells are named T cells after the thymus, an organ situated under the breastbone. They are produced in the bone marrow and later move to the thymus where they mature. Helper T cells have a primary tsak of activating the B cells and killer T cells. The killer T cells are specialized in attacking cells of the body infected by viruses and sometimes also by bacteria. Additionally, they can attack cancer cells.</span>
a function of the pericardium is to: provide a barrier against extracardial infections. improve blood flow through the heart.
Answer:
They cut a peice of the worm
Explanation:
Answer: Ed Kirin first
Explanation: Porque el era gry
