Activity 2. Read and analysed the directions. Complete the sentences below by
filling the missing words.
1. Hairlike structures called
_ _ _ _a which helps trapped dirt entering the nose.
2. A hollow cavity that allows food and air to enter the body is _ _ u _ _.
3. _ _ _o_ _ - (Pharynx) is the passageway of the air entering the nasal cavity up to the
esophagus and larynx.
4. The passages that branched off from the bronchi are _ r_ _ c_ i _ _ _S.
5. L_ _ _s is a pair of spongy, air-filled organs located on either side of the chest or thorax.​