B. malignant is the correct answer
D i believe i’m sorry if this is not correct if not try c
The B cells are not considered as first line defense structures of the immune’s system
Answer: Option C
<u>Explanation:</u>
Our body is protected internally by nature by many layers of defense. Any microbe or a foreign material that disturbs the body is defended by these barriers.
The first layer of defense required physical and chemical barrier such as the skin, mucous membrane, tears, saliva etc . The second line defense system involves the cells and the tissues that protect the body.
Sun rises in the East and sets in the West. The west side
gets the most sun. It also gets the least moisture because the tropical easterly
winds become dry by the time they reach the west. It brings no rainfall.