Cross Section Diagram Of Blood Vessels

Can some one explain this to me. Iv name the blood vessel that a begins and ends in. Iii when are the sounds lubb and dub produced during a heartbeat.
cross section diagram of blood vessels

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A arteries and b veins share the same general features but the walls of arteries are much thicker because of the higher pressure of the blood that flows through them.

Cross section diagram of blood vessels. Aorta arteries capillaries veins. All blood vessels are specifically structured to perform their function. In each case give a reason to support your answer. Eventually the smallest arteries vessels called arterioles further branch into tiny capillaries where nutrients and wastes are exchanged and then combine with other vessels that exit capillaries to form venules small blood vessels that carry blood to a vein a larger blood vessel that returns blood to the heart.

One way valves ensure flow in the right direction. C a micrograph shows the relative. New users enjoy 60 off. Download 832 blood vessels diagram stock illustrations vectors clipart for free or amazingly low rates.

Venules receive blood from the capillaries and branch into veins that return blood to the heart. Ii name the parts labelled 1 and 2. I identify the blood vessels a and b. Together their thicker walls and smaller diameters give arterial lumens a more rounded appearance in cross section than the lumens of veins.

131465496 stock photos online. To make up for this many veins are located in the skeletal muscles and the least movement of a limb squeezes the vein and drives the blood toward the heart. I dont understand how the cross sectional area increases even thought the vessels get narrower. They do not have the need for the strength and elasticity of the arteries so the walls of the veins are thin and almost floppy.

The diagram given below shows the cross section of two kinds of blood vessels. I identify the blood vessels a and b. The diagrams given below show the cross section of two kinds of blood vessels. Iiiwhen are the sounds lubb and dub produced during a heartbeat.

Ii name the parts numbered 1 and 2. The cross sectional area increases from aorta capillaries. In each case give a reason to support your answer. For example a capillary is microscopically thin to allow gases to exchange the arteries are tough and flexible to cope.

Hey when i was doing a question on the heart diagrams of the cross sectional area of the different blood vessels were shown. Ivname the blood vessel which. Blood travelling through the capillaries structure of blood vessels the structure of the blood vessels can be easily compared when they are seen in this cross section not to scale. Structure of blood vessels.