What is the circulatory system responsible for

The circulatory system is a vast network of organs and vessels that is responsible for the flow of blood, nutrients, hormones, oxygen and other gases to and from cells.

Circulatory system contains of:

Heart, Lung, Blood Vessel (Arteries & Veins)

Responsible for: Transportations

1- Deliver Oxygen & get out Co2

2- Deliver nutrients & get out waste product

3- Deliver immune cells to infection location "Inflammatory cells, RBC's & Lymphocytes" to deal with invaded organisms by kill it.

4- Deliver Secreted Hormones to target cells