Answer:
Foreign/Exotic species
Explanation:
If you are talking about introduced, think of foreigners but as animals.
Answer:
Explanation:
im so confused is this low key a question?
☾lalita
Answer: the atrioventricular heart valve open and closed imcubent on different blood pressure on both sides.
Answer:
<em>Antibodies attach to a specific antigen and make it easier for the immune cells to destroy the antigen. T lymphocytes attack antigens directly and help control the immune response. They also release chemicals, known as cytokines, which control the entire immune response</em><em>.</em>
