The _________ system carries life-sustaining substances throughout the body.

Question

Quizplus · Accepted Answer

The circulatory system is responsible for carrying important substances such as oxygen and nutrients to all the cells of the body. It consists of the heart, blood vessels, and blood. The respiratory system is responsible for bringing oxygen into the body, but it is the circulatory system that delivers it to where it is needed. The immune system is responsible for fighting off infections and diseases, while the nervous system is responsible for transmitting signals throughout the body.

The _________ System Carries Life-Sustaining Substances Throughout the Body