The lungs and the heart

Question 1

What things do the lungs have?

t______
b_______
a______

Answer 1

trachea, bronchus and alveoli

Question 2

What is the circulatory system made up of?

Answer 2

The circulatory system is made up of the heart, blood vessels and blood.

Question 3

How many circuits do humans have?

Answer 3

Two (double circulatory system)

Question 4

Circuit one:

heart (_____ ventricle) -> lungs -> _____

Answer 4

heart (right ventricle) -> lungs -> heart

Question 5

circuit two:

heart (____ ventricle) -> rest of the ____ -> _____

Answer 5

heart (left ventricle) -> rest of the body -> heart