Answer:
Changing of color to seem like camouflage
Explanation:
Answer:
D
Explanation:
Lymphocytes are the second line of defence
First line of defence indiscriminately defends against all pathogens unlike secondary response which is targeted. First line of defence refers to the external body components like skin, secretions from the body in the alimentary canel
Mucus traps pathogens. Stomach acid kills pathogens
The part of the fibula that is found near the Knee joint is the head
Proteins serve as antibodies.
