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Circulatory System
Revision of the Circulatory System Chapter
| Question | Answer |
|---|---|
| Name the four components of blood. | Red Blood Cells, White Blood Cells, Platelets, Plasma |
| What is the function of the red blood cells? | Transport Oxygen |
| What is the function of the white blood cells? | Fight disease/infection |
| What is the function of platelets? | To clot the blood |
| What is the function of plasma? | To transport food, oxygen and waste products and control body temperature |
| Name the blood vessels that have thick walls and carries blood away from the heart. | Arteries |
| Name the blood vessels that have valves, thin walls and carry blood to the heart. | Veins |
| Name the blood vessels that connect arteries and veins. | Capillaries |
| What is the average resting pulse rate for a human. | 70 b.p.m |
| Name the main blood vessel that carries blood out of the heart all over the body. | Aorta |
| Name the blood vessel that carries blood back to the heart from all over the body. | Vena Cava |
| Name the blood vessel that carries blood from the heart to the lungs to pick up oxygen. | Pulmonary Artery |
| Name the blood vessels that bring oxygen rich blood back to the heart from the lungs. | Pulmonary Veins |
| Name the wall down the centre of the heart. | Septum |
| Which chamber of the heart does blood flow into after the left atrium? | Left Ventricle |
| Where does blood go after leaving the right ventricle? | The lungs |
| What happens to pulse rate as we exercise? | It increases |