Double Circulation

Question 1

Briefly, how is blood pumped in the circulatory system

Answer 1

Firstly blood goes from the right side of the heart, to the lungs and then returns to the left side of the heart before it is pumped to the rest of the body. It then returns to the right side of the heart.

Question 2

Why is it called double circulation

Answer 2

It is because blood travels through the heart twice with each complete circuit of the body.

Question 3

What is the 4 steps in double circulation

Answer 3

1. Blood enters the heart. It is deoxygenated.
2. Blood is then pumped to the lungs to pick up some oxygen.
3. Blood is now oxygenated and travels back to the heart.
4. Blood is then pumped around the body so every cell gets its vital oxygen so that every cell can carry out the process of respiration

Question 4

What is pulmonary circulation

Answer 4

The blood flowing through the right side of the heart and going to the lungs is called the pulmonary circulation.

Question 5

What is systemic circulation

Answer 5

The blood flowing through the left side of the heart and going round the rest of the body is called the systemic circulation.