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Biology 8 Online
OpenStudy (elizabeths):

1. What is blood pressure? What is hypertension? 2. List factors that increase the risk of cardiovascular disease. 3. Identify three types of blood cells and their functions.

OpenStudy (solidicecream):

1. is the pressure of the blood in the circulatory system.

OpenStudy (solidicecream):

High blood pressure or hypertension is when your blood pressure is 140/90 mmHg or above most of the time.

OpenStudy (solidicecream):

go to this website it will help you answer 2 http://www.world-heart-federation.org/cardiovascular-health/cardiovascular-disease-risk-factors/ and 3. is Platelets, Red blood cells, White blood cells.

OpenStudy (solidicecream):

and their functions are Platelets- Which help the blood to clot. Clotting stops the blood from flowing out of the body when a vein or artery is broken. Red blood cells- Which carry oxygen White blood cells- Which ward off infection.

OpenStudy (solidicecream):

A healthy adult has about 35 trillion blood cells!

OpenStudy (solidicecream):

Hope this helps. :D

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