Connect the following sentences using the participles:
1. the lungs are a pair of organs. they lie in the chest.
2. the lungs rest on the diaphragm. they exactly fill both sides of
the chest.
3. we distinguish the left and the right lungs. each of them is enveloped in a membrane.
4. the trachea is an air conductor. it is divided into two branches.
5. we breathe in oxygen. we expire carbon dioxide.
6. the activity of the respiratory movements influences on the respiratory metabolism. it takes place in the pulmonary alveoli.

kalymkulovramaz    1   22.09.2019 07:55    1