Inhaling through the nostrils is preferred over the mouth because
A) there is less resistance to air flow.
B) it combines olfaction with respiration.
C) it allows better conditioning of the inhaled air.
D) bacteria won't be inhaled from the oral cavity.
E) it dries out the mouth.
Question 2
Stimulation of the beta receptors on heart muscle cells results in
A) the decrease in ATP production.
B) increased heart rate and force of contraction.
C) decreased force of contraction.
D) slower heart rate.
E) inhibition of the heart muscle.
Devil facial tumour disease causes tumours to form in and around the mouth, interfering with feeding
Structures of the Mouth
Movement of a bolus of food from the mouth to the esophagus. The bolus then travels to the stomach.
The mask covers both the mouth and nose to prevent exposure to body fluids and airborne droplets.
The movement of a bolus of food from the mouth to the stomach via the esophagus.
Testing the strength of the trapezius muscle against resistance