Answer:
D) to break down oxygen entering the respiratory system
Explanation:
Because the function of mucus in the nasal cavity is warm, moisturize and filter air entering
Their heart rates would be increased because of physical activity?
Well actually it depends if they are talking so I could talk on the phone and if they are getting to work they could drive
Your elbows should be glued to your ribcage as you lift/lower the weight. If you try to bring the bar to your chin, for example your shoulders will begin to move forward (shoulder flexion) and your exercise becomes a bicep-shoulder curl