February 26th, 2016 Hiroshima by: John Hersey

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Directions: ANSWER USING COMPLETE SENTENCES! Use the information you have been given to answer questions about: The blood.

Level#1: Blood transports nutrients, oxygen, and wastes, and fights infection. About 55% of blood is a liquid called plasma. This liquid carries nutrients and wastes throughout the circulatory system.

1. What is the liquid that carries nutrients and wastes throughout the circulatory system?




2. What does blood transport and what else does it do inside the body?




3. What percentage of the blood is plasma?






Level#2: Blood transports nutrients, oxygen, and wastes, and fights infection. About 55% of blood is a liquid called plasma. This liquid carries nutrients and wastes throughout the circulatory system. There are three kinds of solids in blood: platelets, red blood cells, and white blood cells. Platelets are actually pieces of cells. They help blood cells to clump together. This action helps wounds to stop bleeding.

1. How many kinds of solids are in blood and what are they?





2. What are platelets?





3. What do platelets help blood cells do and why is this action important?









Level#3:  Blood transports nutrients, oxygen, and wastes, and fights infection. About 55% of blood is a liquid called plasma. This liquid carries nutrients and wastes throughout the circulatory system. There are three kinds of solids in blood: platelets, red blood cells, and white blood cells. Platelets are actually pieces of cells. They help blood cells to clump together. This action helps wounds to stop bleeding. A protein in red blood cells delivers oxygen to other body cells. This protein, called hemoglobin, contains the mineral iron. Iron give blood cells their red color. The more oxygen the protein carries, the brighter the color of the cells.

1. What are platelets, what do they do, and how are they helpful to the body?






2. What does the protein in red blood cells do, what is it called, and what does it contain?







3. What does iron give blood cells and what makes the color of the cells brighter?








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