what does the following carry.

1.artery
2.vein
3.pulmonary artery.
4.pulmonary vein
5.right auricle
6.right ventricle.
7.left auricle
8.left ventricle

They all carry blood.

biology 210

To understand what each of these carries, we need to have a basic understanding of the circulatory system. The circulatory system is responsible for the transportation of blood throughout the body, delivering oxygen, nutrients, and removing waste products. Let's go through each of the terms you mentioned and explain what they carry:

1. Artery: Arteries carry oxygenated blood away from the heart and distribute it to various parts of the body. They have thick, elastic muscular walls that help maintain pressure and smooth blood flow.

2. Vein: Veins carry deoxygenated blood back to the heart. These blood vessels have thinner walls than arteries and contain valves to prevent backflow. Veins carry waste products, such as carbon dioxide, from the body's tissues back to the heart.

3. Pulmonary Artery: The pulmonary artery is an exception to the usual pattern of arteries carrying oxygenated blood. It carries deoxygenated blood from the right ventricle of the heart to the lungs for oxygenation.

4. Pulmonary Vein: The pulmonary vein is another exception. It carries oxygenated blood from the lungs back to the heart. It is the only vein in the body that carries oxygenated blood.

5. Right Auricle: The right auricle (also known as the right atrium) is a chamber located in the upper part of the heart. It receives deoxygenated blood from the body through the superior and inferior vena cava veins.

6. Right Ventricle: The right ventricle is a lower chamber of the heart that receives deoxygenated blood from the right atrium and pumps it to the lungs through the pulmonary artery for oxygenation.

7. Left Auricle: The left auricle (also known as the left atrium) is another chamber of the heart. It receives oxygenated blood from the lungs through the pulmonary veins.

8. Left Ventricle: The left ventricle is the largest and strongest chamber of the heart. It receives oxygenated blood from the left atrium and pumps it to the rest of the body through the aorta, which is the main artery.

Learning about the circulatory system and understanding the functions of each component aids us in comprehending what these anatomical structures do and how they contribute to the overall functioning of the cardiovascular system.