Answer:
An antigen is any substance that causes your immune system to produce antibodies against it. This means your immune system does not recognize the substance, and is trying to fight it off. An antigen may be a substance from the environment, such as chemicals, bacteria, viruses, or pollen.
Explanation:
GOT THIS FORM GOOGLE OK HOPE IT HELPS:)
<span>Eating foods with sufficient amounts Vitamin A of will help keep your eyes working correctly.</span>
Answer:
Some longer-term changes begin as adjustments to compensate for drug-induced increases in neurotransmitter signaling intensity. For example, the brain responds to repeated drug-induced massive dopamine surges in part by reducing its complement of dopamine receptors.
Answer:
Push-ups
Explanation:
A tests your strength but not endurance (unless you keep jumping)
B tests your flexibility
C both strength and endurance
D only endurance
