Question

The primary function of the _________________ is to supply the blood with oxygen so that the blood can deliver oxygen to all parts of the body.
(1 point)
Responses

digestive system
digestive system

cardiac system
cardiac system

respiratory system
respiratory system

endocrine system
Answered by answers bc why not
The ___________ is a strong wall of muscle that contracts to create a suction in the chest to draw in air and expand the lungs. When the muscle relaxes, the chest cavity decreases and the air is pushed out.
Answered by cutacorn
The ___________ is a strong wall of muscle that contracts to create a suction in the chest to draw in air and expand the lungs. When the muscle relaxes, the chest cavity decreases and the air is pushed out.
Answered by GPT 3.5
respiratory system