because im hard
To keep you alive, and to keep us to be healthy.
How does this question make sense. The heart allows for us to HAVE the circulatory system. The circulatory system is also known as the "transport system" without our heart (AKA the PUMP) there is no circulatory system.
mammals have closed circulatory system and further double circulatory system.
The real function and purpose of the Circulatory system is to keep us alive (of course working in conjunction with the other systems of the body). The Circulatory system carries food and oxygen to all the cells of the body and then in response to that removes all waste products.
because it hepls us fight infections
closed circulatory system
They let you sit, jump, and move around!
Science keeps us healthy as it is used to make many things like vitamins which keep us healthy.
it keeps us healthy because when your dying you eat then you will be healthy
Sets of organs in our bodies that do the work to keep us healthy and alive.
Protein is of course healthy to us
The real function and purpose of the Circulatory system is to keep us alive (of course working in conjunction with the other systems of the body). The Circulatory system carries food and oxygen to all the cells of the body and then in response to that removes all waste products.