Question

the respiratory system, in conjunction with the cardiovascular system, delivers ______ to the cells of the body. a oxygen b nutrients c carbon dioxide d sodium

Explanation:

The respiratory system takes in oxygen from the air. The cardiovascular system then transports this oxygen to the body's cells. Nutrients are mainly related to the digestive - system, carbon dioxide is a waste product exhaled by the respiratory system, and sodium is an electrolyte not primarily delivered by the respiratory - cardiovascular system combination for cellular function.

Answer:

A. oxygen