The primary function of the respiratory system is to supply blood with oxygen
Is when you breathe in oxygen and exhale carbon dioxide
Epiglottis is the flap of cartilage that covers the opening of the larynx
I believe the correct answer is B. False
Answer:
4 seconds
Explanation:
accelertion= velocity ÷ time
20= 80/t
20t=80
t=80/20
t=4 seconds
