These proteins are called antibodies. They are produced by the immune system when 'foreign / non-self' substances are detected in the body.
Answer:
C
Explanation:
Gerontology is the study of old people, so yeah
Flexion. A movement decreasing the angle between articulating bones
Answer:
C
Explanation:
It is the right thing to do, even though many of us don't do it.
Believe in yourself and don't worry about other people
try to step outside of your comfort zone some
ignore hate