Answer:
We can optimize our physical health by good physical fitness, diseases free adequate sleep and healthy diet.
I think it's Maggie and Nick
Explanation:
The muscles opposing the movement become the antagonists.
In a movement, like the back extension, the muscles that extend the back are the agonist.
The muscles that produce the opposite movement, which is back flexion, are the abdominals.
There is a thing called periodic episodes of pain, called crises and they are a major symptom of sickle cell anemia. Pain tends to develop when sickle<span>-shaped red blood </span>cells<span> block the blood flow through little tiny blood vessels which go to your chest, abdomen and your joints. Also, sadly, pain can occur.</span>