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Human Circulatory System - Coggle Diagram
Human Circulatory System
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The right side of our heart receives deoxygenated blood from your veins and pumps it to your lungs, where it picks up oxygen and gets rid of carbon dioxide.
The left side of your heart receives oxygenated blood from our lungs and pumps it through our arteries to the rest of our body.
Blood Vessels
Structures: Artery (Carries oxygenated blood)- Artery has thick muscular walls, helps control high blood pressures and maintains pressure waves. The lumen is narrow.
Vein( carries deoxgynated)- thin muscular walls. Vein contains valves to stop blood flow from going the wrong way.Lumen is wide. No need for strong walls since most blood pressure is lost.
Capillaries- They connect both arteries and veins. The walls are one cell thick. very narrow lumen since there is no blood pressure. The walls are thin and the lumen is narrow so diffusion can occur more effectively
Parts of the Blood
Red Blood Cells-The main job of red blood cells, or erythrocytes, is to carry oxygen from the lungs to the body tissues and carbon dioxide as a waste product, away from the tissues and back to the lungs.
White blood cell- It is a cellular component of the blood that lacks hemoglobin, has a nucleus, is capable of motility, and defends the body against infection and disease by ingesting foreign materials and cellular debris, by destroying infectious agents and cancer cells, or by producing antibodies.
Blood Plasma- It is a light yellow liquid, similar to the color of straw. Along with water, plasma carries salts and enzymes. The primary purpose of plasma is to transport nutrients, hormones, and proteins to the parts of the body that need it.
Platelets- These are a component of blood whose function (along with the coagulation factors) is to react to bleeding from blood vessel injury by clumping, thereby initiating a blood clot.