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Transcript of Cardiovascular System
One of the system of branching vessles or tubes conveying blood from various parts of the body to the heart.
Blood vessels that convey blood from the heart to any other part of the body
Carries oxygenated blood away from the heart to the body, and returns deoxygenated blood back to the heart
A chamber of the heart that receives blood from an atrium and pumps it to the arteries.There are 4 ventricles: The left,and right lateral ventricles, the third ventricle and the fourth ventricle.
Capillaries are the smallest blood vessels in the body, and are the blood vessels responsible for delivering oxygen and other nutrients to the tissues.
The fluid that circulates in the principal vascular system of human beings and other vertebrates, in humans consisting of plasma in which the red blood cells, white blood cells, and platelets are suspended
The fibrosis sac enclosing the heart and the roots of the great vessels, consisting of two layers: the visceral layer or epicardium, immediately surrounding the heart; and the outer parietal layer, which forms the sac and is lined with a serous membrane. Also called heart sac, theca cordis.
Pulmonary circulation is the flow of blood from the right ventricle through the pulmonary artery to the lungs.
A body cavity or chamber, especially either of the upper chambers of the heart that receives blood from the veins and forces it into a ventricle. Also called auricle.
The blood cells that carry oxygen. Red cells contain hemoglobin and it is the hemoglobin which permits them to transport oxygen (and carbon dioxide). Hemoglobin, aside from being a transport molecule, is a pigment. It gives the cells their red color (and their name).
Red Blood Cells
The system that circulates blood and lymph through the body, consisting of the heart, blood vessels, blood, lymph, and lyphmatic vessels and glands.
The coronary circulation circulation of blood in the blood vessels of the heart muscle
Components of Blood
Red Blood Cells-(in humans) is typiclly a biconcave disc without a nucleus
Cardiovascular System in Use
How the blood drives through arteries.
Capillaries are where fluids, gasses, nutrients, and wastes are exchanged between the blood and body tissues by diffusion. Capillary walls contain small pores that allow certain substances to pass into and out of the blood vessel. Fluid exchange is controlled by blood pressure within the capillary vessel (hydrostatic pressure) and osmotic pressure of the blood within the vessel. The osmotic pressure is produced by high concentrations of salts and plasma proteins in the blood. The capillary walls allow water and small solutes to pass between its pores but does not allow proteins to pass through.
As blood enters the capillary bed on the arteriole end, the blood pressure in the capillary vessel is greater than the osmotic pressure of the blood in the vessel. The net result is that fluid moves from the vessel to the body tissue.
At the middle of the capillary bed, blood pressure in the vessel equals the osmotic pressure of the blood in the vessel. The net result is that fluid passes equally between the capillary vessel and the body tissue. Gasses, nutrients, and wastes are also exchanged at this point.
On the venule end of the capillary bed, blood pressure in the vessel is less than the osmotic pressure of the blood in the vessel. The net result is that fluid, carbon dioxide and wastes are drawn from the body tissue into the capillary vessel.
White Blood Cells-A colorless cell that circulates the blood and body fluids and is involved in counterating foriegn substance and disease
Platelets-A small colorless disk-shaped cell fragment without a nucleus
Plasma-A colorless fluid part of blood, lymph, which is corpuscles or fat globules are suspended
Things About the System
heart ,blood , and blood vessles
Function-transportation of nutrirents ,wastes ,respiratory gasses ,and other materials
2 pumps-right to lungs;left to body
4 chambers(2atria, 2 venticles)
Between the heart and rest of the body
Filtered by the liver
Flow of blood through the heart