Answer:
vitamin C deficiency.
Explanation: g o o g l e -
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.
Answer:
testis from the rust on the nail if its there
Explanation:
You can work in the medical field, become a teacher or coach