February 11th, 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 Circulatory System.

Subject: The Circulatory System

Level#1:  All cells need nutrients and oxygen. These materials help cells to carry out life functions. Cells also produce wastes. Cells need to get rid of these wastes. Your cells need certain materials. These materials are brought to your cells by blood. Blood flows throughout your body. It carries oxygen and nutrients to all your body cells.

1. What are the materials that help cells to carry out life functions?







2. How do cells get the materials that they need?






3. What do all cells produce and need to get rid of?








Level#2: All cells need nutrients and oxygen. These materials help cells to carry out life functions. Cells also produce wastes. Cells need to get rid of these wastes. Your cells need certain materials. These materials are brought to your cells by blood. Blood flows throughout your body. It carries oxygen and nutrients to all your body cells. When cells carry out life functions, they also produce wastes. Some of these wastes include carbon dioxide and water. Blood carries these wastes away from body cells.

1. What materials do all cells need to carry out life functions?






2. What do cells produce when they carry on life functions and what are these wastes?






3. When blood flows through the body what is brought to cells and what is carried away from them?









Level#3: All cells need nutrients and oxygen. These materials help cells to carry out life functions. Cells also produce wastes. Cells need to get rid of these wastes. Your cells need certain materials. These materials are brought to your cells by blood. Blood flows throughout your body. It carries oxygen and nutrients to all your body cells. When cells carry out life functions, they also produce wastes. Some of these wastes include carbon dioxide and water. Blood carries these wastes away from body cells. The circulatory system moves blood throughout the body. This organ system includes the heart, blood vessels, and blood. 

1. Explain what all cells need and how cells get these materials.

2. Explain what two things are produced when cells carry out life functions.

3. What does the circulatory system do and what are its parts?

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