Circulation
Circulation is the movement of blood through the body, driven by the pumping action of the heart. It is an essential process that delivers oxygen and nutrients to cells and removes waste products from the body.
Parts of the Circulatory System
- Heart: The muscular organ that pumps blood throughout the body.
- Blood Vessels: The network of arteries, veins, and capillaries that carry blood to and from the heart.
- Blood: The fluid that carries oxygen, nutrients, and waste products throughout the body.
Types of Circulation
There are two main types of circulation:
- Pulmonary Circulation: The movement of blood between the heart and the lungs, where blood picks up oxygen and releases carbon dioxide.
- Systemic Circulation: The movement of oxygenated blood from the heart to the rest of the body, and the return of deoxygenated blood back to the heart.
Functions of Circulation
The circulatory system performs several important functions, including:
- Transporting oxygen and nutrients to cells
- Removing waste products from cells
- Regulating body temperature
- Protecting the body from infections and diseases
Study Guide
When studying circulation, it's important to understand the components of the circulatory system, the types of circulation, and the functions of circulation. Here are some key points to focus on:
- Identify the parts of the circulatory system and their functions.
- Explain the difference between pulmonary and systemic circulation.
- Describe the functions of the circulatory system in the body.
- Understand the importance of maintaining a healthy circulatory system through proper diet and exercise.
Remember to review diagrams and illustrations of the circulatory system to help visualize the process of circulation.
Good luck with your studies!
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