Answer:
Asphyxia happens when your body doesn't get enough oxygen to keep you from passing out. It can be a life-threatening situation.
Explanation: hope this helps if it does mark brainllest pls! :)
Answer:
nothing is there
Explanation:
what pie chart are you telling
Answer:
b) Cardio respiratory
Explanation:
Just as exercise strengthens other muscles in your body, it helps your heart muscle become more efficient and better able to pump blood throughout your body. This means that the heart pushes out more blood with each beat, allowing it to beat slower and keep your blood pressure under control. Aerobic exercise boosts your good cholesterol (HDL), and lowers your bad cholesterol (LDL).
Hope this helps ya! Best of luck <3