CIRCULTORY QUIZ ME – VERSION A Partner a asks B each question, lets B answer, then checks the answer slide and tells B if they were correct.

1. Name three organs of the circulatory system.

1. A The heart, veins and arteries are organs in the circulatory system.

2. What is the job of the heart?

2A The heart PUMPS blood throughout the body.

3. When the heart pumps, where does it send blood to?

3A The heart pumping sends OXYGEN RICH blood to the body and its cells.

4. What do veins have so blood will only flow in one direction?

4A Veins have one-way valves to make sure blood only goes in one direction.

5. Describe the colors blood comes in.

5A All blood is a shade of the color red 5A All blood is a shade of the color red. Oxygen rich blood is bright red, and oxygen poor blood is a deeper, purplish shade of red.

6. What does blood carry throughout your body?

6A. Blood carries materials (like nutrients and oxygen) to your body, and takes away wastes, like carbon dioxide.

7. What percent of your blood is made up of plasma?

7A. About 60% of your blood is made up of plasma.

8. What is the job of the white blood cells?

8A. White blood cells help the body to fight infection and to kill germs like viruses and bacteria.

9. What is the job of the red blood cells?

9A. Red blood cells pick up oxygen at the lungs and bring it to every part of the body.

10. What are platelets made up of?

10A. Platelets are made up of cell fragments, and are the solid parts contained in the blood.

11. What determines what kind of blood type you are?

11A. Proteins on the surface of the red blood cells determine what kind of blood type you are.

12. What are the four types of blood? Which is the most common?

12A. The four types are A, B, AB and O 12A. The four types are A, B, AB and O. The most common type is O positive.

13. How are the heart and the lungs the same? How are the different?

13A. The heart and the lungs are the same because they are both organs and do jobs to keep you alive. They both help in sending oxygen-rich blood around your body. They are different because the heart is a double pump that pushes blood through the body, while the lungs help you to breathe by taking air in and out of your body.