1) macrophages
2) lymph nodes
3) thymus
4) bone narrow
This is rather true and a reality check as one does not realise this
Answer:
A mineral nutrient is a substance required by organisms to perform nesecessary functions to live, so must be absorberd or ingested in the right amount.
Explanation:
Answer:
repetitive force
Explanation:
repetitive forces like jumping up and down
and running long distances which cause tiny cracks in the bone.
