blood
The circulatory system carries nutrients and oxygen to body cells. In addition, it carries hormones and immune materials.
The Respiratory system carries oxygen and carbon dioxide
The system that helps the immune system is the circulatory system because it carries the white blood cells to where the pathogens are.
protein
The main function of the circulatory system is to transport nutrients, oxygen, and wastes through the body. It also carries immune components and hormones.
The main function of the circulatory or cardiovascular system is carrying oxygen, nutrients, and wastes to the body tissues. It also carries immune materials and hormones.
The respiratory system works with the immune system by releasing oxygen, which helps you breathe and is like a filter to your body.
The circulatory system, specifically the cardiovascular system, carries oxygen to cells. Oxygen is transported through the blood, which is pumped by the heart and circulated throughout the body via blood vessels.
separate vessels exist for lymph (immune) and blood (receives oxygen from lungs)
Blood is the connective tissue that transports nutrients, oxygen, and waste products throughout the body. It also plays a crucial role in the immune system, as white blood cells fight off pathogens and diseases to defend the body.
the (circulatory) respiratory system (blood flow carries oxygen)
The respiratory system obtains the oxygen, the cirrculatory system carries it to different parts in the body.