Question

respiratory anatomy labeling
a.
b.
c.
d.
e.
f.
g.
h.

• what are the three sections of the pharynx?

-what is the special leaflike piece of cartilage that closes the larynx during swallowing to prevent food from entering the respiratory tract?
bonus: who invented the stethoscope?

Explanation:

1. For the three sections of the pharynx: The pharynx is divided into the nasopharynx (behind the nose), oropharynx (behind the mouth), and laryngopharynx (above the larynx).
2. The cartilage that closes the larynx during swallowing is the epiglottis. It acts as a flap to direct food to the esophagus and air to the larynx.
3. The stethoscope was invented by René Laennec. He created it to listen to internal sounds of the body, revolutionizing medical diagnosis.

Answer:

1. The three sections of the pharynx are nasopharynx, oropharynx, and laryngopharynx.
2. The special leaf - like piece of cartilage is the epiglottis.
3. René Laennec invented the stethoscope.