Normal rate of respiration in an adult human being is _______breathes per minute.
10-12
12-14
12–20
22-24
Complete the equation: Glucose + Oxygen = _______ + Water + CO2
Energy
Sucrose
None of these
Starch
A
B
C
D
Write the correct sequence of the pathway through which air travels after entering the body. A. Larynx, pharynx, trachea bronchioles B. Pharynx, larynx, trachea, bronchioles C. Pharynx, larynx, bronchioles, trachea D. Pharynx, trachea, larynx, bronchioles
What is the purpose of the little hairs inside the nose?
To fight disease.
They serve no purpose.
To keep dust out of the lungs.
To tickle the nose and cause sneezes.
