Lifting a weight 10 times is a kind of ISOTONIC contraction. Holding a heavy machine part steady while securing it in place may be categorized as ISOMETRIC contraction. Lifting heavy cans and putting them on a shelf may be called an ISOTONIC contraction. Flexing your leg muscles and holding the flex is an ISOMETRIC contraction. Lifting your heavy book bag several times is good ISOTONIC contraction.
Answer:
Blurred vision and heart disease blocked blood vessel
Explanation:
Sickle cells can block tiny blood vessels that supply the eyes. Over time, this can lead to blurred vision (and sometimes blindness).
The circulatory system is very useful. This system transports the food nutrients, and oxygen to the body cells. It also delivers of carbon dioxide and waste products. This helps the respiratory system by transporting nutrients to keep the lungs clean, and healthy.
<span>b. to ensure the cod stocks were exploited domestically</span>
