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Ch 7: Blood Vessels

About This Chapter

Watch online video lessons, and learn about the different aspects of the blood vessels in the human body. These video lessons are short and engaging and make learning easy!

Blood Vessels - Chapter Summary and Learning Objectives

The human body is a complex piece of work. Every part of the body is kept alive and nourished by blood. Without blood, your heart wouldn't beat, your brain wouldn't send messages and your organs wouldn't function. The blood in your body doesn't flow freely; there is actually a system of tube-like structures that help to carry the blood throughout your body. These are called blood vessels. In this chapter, we'll cover many different aspects of the blood vessels. You'll get to learn about things that include:

  • Types of blood vessels
  • The three layers of a blood vessel
  • The major blood vessels in the lungs
  • The blood vessels that carry blood away from the heart
  • Blood vessels that lead to the heart

VideoObjective
Blood Vessels: Arteries, Capillaries & More Learn more about the types of blood vessels - the arteries, capillaries and veins.
Blood Vessel Layers: Tunica Intima, Tunica Media & Tunica Adventitia Discover the anatomy of a blood vessel.
Major Blood Vessels Between the Heart and Lings: Pulmonary Truck, Arteries & Veins Take a look at the major blood vessels servicing the heart and lungs.
Major Blood Vessels that Carry Blood Away from the Heart Explore the vessels that take blood away from the heart and to other parts of your body.
Major Blood Vessels: Descending Aorta - Thoracic and Abdominal Aorta Examine the descending aorta.
Major Blood Vessels Leading to the Heart: Superior Vena Cava Inferior Vena Cava & Coronary Sinus Analyze the blood vessels that take blood to the heart.

Lessons in Chapter 7: Blood Vessels
Blood Vessels: Arteries, Capillaries & More

1. Blood Vessels: Arteries, Capillaries & More

In this lesson, you will take a trip around the circulatory system and encounter the various blood vessels, including arteries, veins, and capillaries. Come along as we follow the path to every cell of your body.

Blood Vessel Layers: Tunica Intima, Tunica Media & Tunica Adventitia

2. Blood Vessel Layers: Tunica Intima, Tunica Media & Tunica Adventitia

In this lesson, you will take a microscopic look at the three layers, or tunics, that make up your blood vessels. Follow along and learn how the different cells within these tunics help the vessels contract and relax as blood moves through your circulatory system.

Major Blood Vessels Between the Heart and Lungs: Pulmonary Trunk, Arteries & Veins

3. Major Blood Vessels Between the Heart and Lungs: Pulmonary Trunk, Arteries & Veins

In this lesson you will learn about the main blood vessels that travel between the heart and lungs. You will also discover that these arteries and veins follow a somewhat unusual pattern.

Major Blood Vessels That Carry Blood Away From the Heart

4. Major Blood Vessels That Carry Blood Away From the Heart

Do you know which arteries are typically blocked during a heart attack? In this lesson, you will learn about the major blood vessels that feed the heart, brain and upper body. Then, find out what causes the pain known as angina.

Major Blood Vessels: Descending Aorta - Thoracic and Abdominal Aorta

5. Major Blood Vessels: Descending Aorta - Thoracic and Abdominal Aorta

The aorta is the largest artery of your body, and it is a strong and sturdy vessel. In this lesson, you will learn about its downward path through the chest and abdomen and discover the organs and structures supplied by its branches.

Major Blood Vessels Leading to the Heart: Superior Vena Cava, Inferior Vena Cava & Coronary Sinus

6. Major Blood Vessels Leading to the Heart: Superior Vena Cava, Inferior Vena Cava & Coronary Sinus

In this lesson, you will learn about the main blood vessel that returns blood to the heart called the Venae Cavae. You'll also learn about its two sections: the Superior and Inferior Vena Cava. You will then discover the special drainage system for the heart called the Coronary Sinus.

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