Oxygen is mixed with blood in (RBSESolutions.com) which part of the respiratory system?
A. Pharynx
B. Larynx
C. Trachea
D. Alveoli
Answer:D
Oxygen is mixed with blood in (RBSESolutions.com) which part of the respiratory system?
A. Pharynx B. Larynx C. Trachea D. Alveoli