Biology : Human Organ Systems I

Given the DESCRIPTION, identify the LABEL (ON DIAGRAM)

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Multiple choice | Fill in the blanks | Flash Cards | Match the Columns

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Human Organ System

1.
Exchange of gases occurs here.

Hint

First letter clue

2.
Larger dust particles in the inhaled air are trapped in the mucus and hair found here.

First letter clue

3.
It secretes pancreatic juice.

First letter clue

4.
It pumps blood to various parts of the body.

First letter clue

5.
It secretes saliva.

First letter clue

6.
Food descends from mouth to stomach through this muscular tube.

First letter clue

7.
These are formed by division of trachea.

First letter clue

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