Answer:
Rest.
Explanation:
Knee pain resulting from common strains and sprains can be treated at home by following a simple plan called RICE, which stands for rest, ice, compression, and elevation.
You are supposed to check the victims neck
If u mean the endocrine system .The endocrine system is the collection of glands of an organism that secrete hormones directly into the circulatory system to be carried towards distant target organs.
