Answer: Blood carries oxygen and other important nutrients that all body organs need to stay healthy and to work properly. Your heart is a muscle, and its job is to pump blood throughout your circulatory system.
Explanation:
1 to 2 to 4 in 30 mins !!
so every 15 min they becomes twice !!
eqn is : 2^n bacteria = 15n mins
so the final eqn for 120 mins is x= 2^8 bacterias = 256 !!
Meninges is <span>the general term for the layers of tough membranes that cover and protect the brain and spinal cord.</span>
The circulatory system is the form of transport in plants and animals. Animals should have nutrients and oxygen that spread every cell in their body. Plants should have nutrients and carbon dioxide spread in their "body". Both plants and animals must also have waste product away from their systems.