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.
a) digestive system
b) cardiac system
c) respiratory system
d) endocrine system

Answer 1

The answer would be C, the respiratory system.

Answer 2

Hey there!

The answer is C, the respiratory system.

Think about how when you breathe in and our, you're taking in oxygen through your lungs and throat, and letting our carbon dioxide. Your respiratory system takes that oxygen you're given and is able to effectively transfer it to the blood so it can supply oxygenated blood to places like the brain, heart, and all other parts of the body.

Hope this helps!