Blood has three main functions: transport, protection and regulation. Blood transports the following substances: Gases, namely oxygen (O2) and carbon dioxide (CO2), between the lungs and rest of the body. Nutrients from the digestive tract and storage sites to the rest of the body.
If i’m not mistaken your answers should be
1. B
2. B or D (most likely B)
3. B
4. A i think
5. C or D
i hope i could help
A medicine is a chemical substance that is used to treat, prevent or diagnose a disease.
<span>This is true because late on the athletes from South Africa were kicked out of the competition. </span>
