which of the following is not a blood vessel? (Perfect answer)

In addition to the cornea, other parts of the body that lack blood arteries include hair, nails, tooth enamel, and the outer layers of the skin, to mention a few.

What are the 5 types of blood vessels?

There are five types of blood vessels: arteries and arterioles (the arterial system), veins and venules (the venous system), capillaries (the smallest blood vessels that connect arterioles and venules through networks within organs and tissues), and capillaries (the smallest blood vessels that connect arterioles and venules through networks within organs and tissues) (Fig 1).

What are the 4 main blood vessels?

These are the major blood vessels that are connected to your heart: the aorta, the superior vena cava, and the inferior vena cava, the pulmonary artery (which transports oxygen-poor blood from your heart to your lungs, where it is oxygenated), the pulmonary veins (which transport oxygen-rich blood from your lungs to your heart), and the coronary arteries and veins

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What are the 3 types of blood vessels?

This extensive network of blood vessels – including arteries, veins, and capillaries – extends for more than 60,000 kilometers. Approximately the length of a trip around the earth more than twice! Blood circulates continually via the blood arteries of your body.

Which of the following are types of blood vessels?

Arteries, veins, and capillaries are the three types of blood vessels found in the body. Each of them has a very unique role to perform in the process of blood circulation.

What are the 3 blood vessels and their functions?

Arteries, veins, and capillaries are the three major types of blood vessels in the body. Blood arteries transport oxygen and nutrients throughout the body. Arteries are vessels that carry blood away from the heart. The veins are responsible for returning blood to the heart.

What are the 3 types of blood vessels and what are their functions?


  • Vascular system: Arteries transport blood away from the heart
  • veins transport blood back toward the heart Capillaries, the tiniest blood vessels, are responsible for connecting arteries and veins.

What are the 5 main coronary arteries?


  • Coronary artery on the left side (LCA) The left anterior descending artery is a branch of the left main trunk artery. The circumflex artery on the left side. The posterior descending artery is a branch of the posterior descending artery. The ramus, also known as the intermediate artery. The right coronary artery is a blood vessel that supplies blood to the heart (RCA) The right marginal artery is located on the right side of the body. Anterior descending artery (also known as PDA).
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Which of the following is NOT a circulatory system?

This is the proper response: Villi.

What are blood vessels?

Blood vessel (pronounced blud VEH-sel) is a tube that transports blood throughout the body. Blood vessels are made up of a network of arteries, arterioles, capillaries, venules, and veins that supply oxygen and nutrients to the body.

What are the 3 main heart arteries?

Coronary Artery on the right (RCA)

  • Right marginal artery.
  • Posterior descending artery.
  • Right coronary artery.

What are the 3 parts of circulatory system?

Your circulatory system is made up of the following components:

  • The heart is a muscular organ that circulates blood throughout the body. Capillaries and arteries are among the blood vessels that make up your body’s circulatory system. Blood is a fluid composed of red and white blood cells, plasma, and platelets.

Is formed by three blood vessels?

There are three major types of blood vessels: arteries, which carry blood away from the heart and branch out into smaller arterioles throughout the body, eventually forming the capillary network; veins, which carry blood into and out of the body; and capillaries, which carry blood into and out of the body. The latter allows the effective flow of chemicals between tissue and the bloodstream.

Are veins blood vessels?

The blood arteries that return blood to the heart are represented by the color blue. Deep veins, which are located in the core of the leg near the leg bones, are surrounded by muscle and are not visible. The deep veins of the legs are comprised of the iliac, femoral, popliteal, and tibial (calf) veins.

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What are blood vessels made of?

Aside from capillaries, all blood arteries are composed of three layers: the capillary layer, the endothelium layer, and the endothelium layer. The adventitia, or outside layer, of the vessel is responsible for providing structural support and shaping the vessel. The tunica medium, also known as the middle layer, is made up of elastic and muscular tissue and is responsible for regulating the internal diameter of the vessel.

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