Activated when they recognize small components of antigens
Answer:
i posted this answer on another brainly
Explanation:
Can you write that in english please??????
Being underweight can contribute to a very frail and weakened immune system. It can make one feel tired mentally. And can also affect the bones by making them very brittle and frail sometimes.
Answer:
Weakening of the bone
Explanation:
Weakening of the bone would be a negative consequence.