Describe the function of the nasal and oral pharynx for breathing.

Nasal cavities are chambers of the internal nose that create openings to the outside world. We breathe through the nostrils and the inhaled air warmed as it moves further into the nasal cavities. The nasal conchae, protrudes and form spaces through which the air passes. The conchae turns the air around to allow the air time to humidify, warm, and be cleaned before it enters the lungs.

The pharynx is often referred to as throat. During breathing, it conducts air between the larynx and trachea (windpipe) and the nasal and the oral cavities.

it has one origin of replication, but it proceeds in two directions - d)

ask your friends for what they got then copy it down if you don't have any friends which is fine than google it or pay the teacher