bloodBA

(1) What are the functions of blood, and what are its two main portions? Plasma is main portion, and the min functions of the blood are defense and transportation.

(2) What is the composition of plasma and what are the functions of plasma proteins? Molecules,salts and water. plasma releases hydrogen into the blood.

(3) What substances allow red blood cells (RBCs) to transport oxygen? Hemoglobin makes blood transport oxygen.

(4) Why do RBCs have a bioconcave shape? For a greater surtace area to let gasses in and out of the blood cell.

(5) Name and describe three disorders associated with RBCs. Sickle cell anemia,hemolysis,anemia.

(6) What are the different blood types and what determines blood type? A+ A-,B+B-,O+O-,AB+ (7) Among the ABO types of blood, who can give blood to whom? Why? A can give blood th A or AB,B can give blood to B or AB,O can give blood to everyone.

(8) When does hemolytic disease in a newborn occur? When a mother with RH+ blood has a baby with RH- blood

(9) Tell how the functions of the cardiovascular system contribute to homeostasis? Because it helps maintain the bodies vital organs.

(10) In what way does the liver contribute to the functioning of the cardiovascular system? The liver helps filter and removes waste from the blood.

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