1. The flow chart below follows the pathway a molecule of oxygen takes on its wa

Question

1. The flow chart below follows the pathway a molecule of oxygen takes on its way to the lungs. The terms and letters on the left side of the diagram in red and flowing vertically represent the major organs on this pathway. The blue letters arranged horizontally represent smaller structures within each of these major organs. Use the list of terms below to complete the flow diagram. Space at the bottom is provided for your answers. (13 points)

NOSE ---> __A__ ---> __B___ ---> __C___

___D____ ---> __E__ ---> __F__ ---> __G__ ---> __H__

LARYNX ---> __I__ ---> __J__ ---> __K__

___L____   __M__ ---> primary bronchus

Terms:

adenoids

carina

epiglottis

external nares

internal nares

laryngopharynx

middle meatus

nasopharynx

oropharynx

pharynx

trachea

vocal folds

vestibular folds

Answers:

A.

B.

C.

D.

E.

F.

G.

H.

I.

J.

K.

L.

M.

Explanation / Answer

The pathway of oxygen from nose to lungs is as follows

A. External nares

B. Vestibular folds

C. Middle meatus

D. Internal nares.

E. Adenoids

F. Nasopharynx

G. Oropharynx, pharynx

H. Laryngopharynx.

I. Epiglottis

J. Vocal folds

K. Trachea

L. Carina

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