The Circulatory System Overview

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Questions and Answers

What is the primary function of the circulatory system?

Transporting nutrients and life-sustaining resources (correct)
Regulating body temperature
Transporting air to the lungs
Protecting the body from infections

The heart pumps blood around the body approximately 100 times a day.

False (B)

What is often referred to as the 'river of life'?

blood

The circulatory system is comprised of the cardiovascular system and the ________ system.

<p>lymphatic</p> Signup and view all the answers

Match the following terms related to the circulatory system with their descriptions:

<p>Heart = Pumps blood throughout the body Blood = Carries nutrients and gases Lungs = Facilitate gas exchange Ants = Cooperate to transport food</p> Signup and view all the answers

Flashcards

Circulatory System

The system that transports vital substances like nutrients and oxygen throughout the body.

Heart

The organ responsible for pumping blood throughout the body.

Blood

The fluid that travels through the circulatory system, carrying oxygen, nutrients, and waste products.

Gas Exchange

The process of exchanging gases, such as oxygen and carbon dioxide, between the blood and the lungs.

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Nutrient Delivery

The delivery of nutrients and oxygen to the body's cells.

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Study Notes

The Circulatory System

The circulatory system is responsible for transporting nutrients and oxygen to cells, and removing waste products.
It includes the cardiovascular and lymphatic systems.
The heart is the main structure, constantly pumping blood throughout the body.
The heart beats approximately 100,000 times daily.
Blood moves from the heart to the lungs, then back to the heart before moving to the rest of the body.
Blood transports nutrients to cells and facilitates gas exchange.
Blood is often called the "river of life."