Organ Systems Introduction

Front

What is the Circulatory System?

Back

The Circulatory System is the body system that includes the heart and blood vessels, responsible for transporting blood, nutrients, gases, and waste products throughout the body.

Front

What is the main function of the heart?

Back

The heart is a muscular organ that pumps blood throughout the body, maintaining the flow of the circulatory system.

Front

What does the Digestive System do?

Back

The Digestive System breaks down food into nutrients that the body can absorb and use for energy, growth, and cell repair.

Front

What is the role of the Nervous System?

Back

The Nervous System controls and coordinates all body activities by transmitting signals between different parts of the body.

Front

What is the function of the Respiratory System?

Back

The Respiratory System is responsible for taking in oxygen and expelling carbon dioxide, allowing for gas exchange in the lungs.

Front

What are blood vessels?

Back

Blood vessels are the network of tubes (arteries, veins, and capillaries) that carry blood throughout the body.

Front

What is the difference between arteries and veins?

Back

Arteries carry oxygen-rich blood away from the heart, while veins carry oxygen-poor blood back to the heart.

Front

What is the purpose of the Excretory System?

Back

The Excretory System removes waste products from the body and regulates water and salt balance.

Front

What is homeostasis?

Back

Homeostasis is the process by which the body maintains a stable internal environment despite changes in external conditions.

Front

What is the function of the Lymphatic System?

Back

The Lymphatic System helps defend the body against infection and disease, and it also helps maintain fluid balance.