A. Glottis
B. Epiglottis
C. Vocal cord
D. Larynx

A. Bronchus
B. Trachea
C. Voice box
D. None of these

A. 17.6 ml
B. 18.6 ml
C. 19.6 ml
D. 16.6 ml

A. Epiglottis
B. Glottis
C. Trachea
D. Bronchi

A. Pollen
B. Spores
C. Cold
D. None of these

A. Contracts and rises
B. Contracts and goes downward
C. Relaxes and rises
D. Relaxes and goes downward

A. Pharynx
B. Oral cavity
C. Larynx
D. Trachea

A. Water
B. SO,
C. Air
D. CO2

A. Glucose
B. Carbon monoxide
C. Carbon dioxide
D. Proteins

A. Body fluids
B. Lymphatic system
C. From body Cells to arteries
D. All of these