Question

give the pathway that oxygen supply in our body

Answer 1

Answer:

First nose opens into buccal cavity leads to p h a r y n x and larynx then into trachea and enters into bronchi and bronchioles and finally into the alveoli thereby diffusion of oxygen into the pulmonary veins and to the the left side of the heart and left ventricle pumps the blood to the body organs and tissues

Explanation:

Answer 2

Pathway of oxygen supply in our body:

● Air enters the body through the opening known as nostrils nassal cavity.

● From the nassal cavity the air moves to the pharnyx and then to trachea. Further, the trachea is divided into many branches terminating in a balloon like structure known as alveoli.

● From the alveoli, alveolar blood vessels absorve the Oxygen and gives to the blood. The blood transports oxygen to the various parts of the body; to all the cells.