Question

2. State true (T) or false (F).
a. The lungs contract when air enters them.
b. The air that we breathe in is rich in carbon dioxide.
C. The circulatory system consists of the heart, the blood
and the blood vessels.
d. Blood carries with it oxygen and absorbed food.
e. The respiratory system helps us to breathe and provides
oxygen to the various parts of our body.
f. We should breathe through our mouth.
Checkpoin​

Answer 1

Answer:

a)false

b)false

c)true

d)true

e)true

f)false