2. Year 10 - Circulatory system

Question 1

What is the first step in the circulatory system?

Answer 1

Blood comes into the right atrium from the body

Question 2

What is the second step in the circulatory system?

Answer 2

It moves from the right atrium to the right ventricle and is pushed into the pulmonary artery in the lungs

Question 3

What is the third step in the circulatory system?

Answer 3

After picking up oxygen, the blood travels back to the heart through the pulmonary vein into the left atrium.

Question 4

What is the fourth step in the circulatory system?

Answer 4

After the left atrium it goes to the left ventricle and out to the body’s tissues through the aorta.