Q.1.
Where does the heart pump oxygenated blood to?
Q.2.
The heart pumps blood to the lungs. What waste product is removed from the blood by the lungs?
Q.3.
The human circulatory system includes the heart, lungs and blood vessels. What is another name for the circulatory system ?
Q.4.
Which are the thinnest and smallest blood vessels?
Q.5.
What enters the blood from the lungs?
Q.6.
Which one of the following is part of the heart?
Q.7.
Which blood vessels carry oxygenated blood?
Q.8.
Blood delivers oxygen and what else to the cells in your body?
Q.9.
What is the easiest way to measure your heart rate?
Q.10.
Waste products must be removed before the blood returns to the heart. Which organs remove waste from the blood?