Posted by: anya04 | April 11, 2007

-Vocabulary-

Blood Vessel: A tube that carries blood through the body.

Circulatory System: The system of vessels, blood, and the heart responsible for transport of substance through the body.

Plasma: The liquid component of blood.

Blood Protein: A protein carried in the plasma of the blood.

Antibody: A type of blood protein that recognizes and tries to destroy foreign matter in the body.

Immune System: The parts of the body involved in defending against disease-causing organism.

Hormone: A type of blood protein that acts as a chemical messenger.

Clot-Forming Blood Protein: A set of protein that form a hard plug wherever a blood vessel has been damaged.

Red Blood Cell: A small disk-shaped blood cell that contains hemoglobin a protein combines with oxygen.

Hemoglobin: A protein contained in red blood cells that pick up oxygen in areas of high concentration and release the oxygen in areas of low concentration.

White Blood Cell:  Part of the immune system, they gaurd against bacteria and other dangerous substance that enter the body.

Platelet: A small cell like fragment found in the blood.

Artery: A thick-walled blood vessel that carries blood away from the heart.

Vein: Blood vessels returning blood to your heart.

Capillary: A tiny, thin-walled blood vessel that carries blood close to body cells for the exchange of supplies and waste.

Valve: Are flaps that open to allow flow in one direction and close to prevent flow in the oppisite direction.

Pulse: The rhythm surge of blood passing a certain place in an artery.

Heart Rate: Number of times heart beats in a minute.

Oxygenated Blood: Blood in which the red blood cells are carrying large amounts of oxygen.

De-oxygenated Blood: Blood in which the red blood cells have given up their oxygen to body cells and so are no longer carrying large amounts of oxygen.

Atrium: One of two chambers t the top of the heart.

Ventricle: Two chambers at the bottom of the heart.

Heart Attack:A failure of the blood supply to the muscle of the heart

Atherosclerosis: A disease in which cholesterol and other fats stick to the inner surface of arteries reduce the amount of blood moving through the artery

High Blood Pressure: A condition in which a person’s blood pressure is higher than usual most of the time.

Liver: A large organ located above the stomach that has several functions in the body.

Excretion: The process of removing excess water salts and the waste products of cells from the body.

Excretory System: The organs of the body responsible for removing exes water salts and waste products of cells.

Kidney: A pair of organs that form part of the excretory system.

Urine: Mixture of waste and water.

Urinary Bladder: Urine produced by your kidneys travel to a balloon like organ

Urethra:Urine released from the body.

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Responses

  1. Thank you for the roundup of words and meanings, this is very useful in my science exam!


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