Question 2 (2 points)

A human's respiratory system works the most closely with this system to oxygenated the body's cells.

Question 2 options:

Circulatory System

Nervous System

Digestive System

Lymphatic system

1 answer

The correct answer is Circulatory System.

The respiratory system works closely with the circulatory system to oxygenate the body's cells by exchanging oxygen and carbon dioxide in the lungs and then transporting oxygen-rich blood throughout the body.