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 nucleus is the part which controls the cell and is semipermeable
Answer:
It is called Phagocytosis
Explanation:
Answer: Does the organism perform photosynthesis?
Explanation:
1990. Do not let the partial collapse during 1980s confuse you.
