I would say financial cost because thats most closely related to being social
Unit discussions are were you post the answer to the question your teacher has given you and then you reply to 2 different classmates
Explanation:
Isotonic contractions generate force by changing the length of the muscle and can be concentric contractions or eccentric contractions. A concentric contraction causes muscles to shorten, thereby generating force. Eccentric contractions cause muscles to elongate in response to a greater opposing force.
I believe all of the above is correct.
First is the brain, spinal cord, and heart begin to develop. Then A blood vessel forms which will later develop into the heart and circulatory system.