The circulatory system transports the substances in your blood to your body cells.
Nutrients are needed by body cells.
Yes
Blood
Needed substances are carried to the body's cells by RBC's, or red blood cells. Red blood cells contain hemoglobin, a substance that allows proteins to bond to them. However WBC's(white blood cells) provide the body's cells with much needed protection.
Nutrients are needed by body cells.
oxygen and nurtients
It can protect your body from harmful substances.
Blood carries necessary substances to various parts of the body.
Catabolism
Arteries.
A phagocyte protects the body by eating harmful substances before they can cause illness. These substances may be bacteria, foreign particles, or dead cells.