1. The functions of the respiratory system are (select all that apply)
A. to pump blood to your body
B. to deliver oxygen to the body
C. to remove carbon dioxide from the body
D. to absorb nutrients

2. The dome-shaped muscle that lies below the lungs and is important in the breathing process is the
A. alveoli
B. asthma
C. bronchi
D. diaphragm

Respuesta :

1. The respiratory system delivers oxygen to the body and removes carbon dioxide.
2. Diaphragm 
THE RESPIRATORY SYSTEM HAS TO DO WITH GASES SO IT REMOVES CARBON DIOXIDE AND DELIVERS OXYGEN. THE DOME SHAPED MUSCLE IS THE DIAPHRAGM