Which part of the human respiratory system is connected to the smaller air tubes?

Which part of the human respiratory system allows the exchange of gases?

What is the name of labeled C?

What is the name of labeled B?

What is the name of labeled A?

The tube connecting the wind pipe and lungs is____.

The gas we breathe out is _____

The gas we breathe in is rich in____.

Xylem is also called_______ tubes.

Phloem is also called_______ tubes.

Phloem transports water and____ to the rest of the plant.

Food if produced in which part of the plant?

Xylem transports ____ to the rest of the plant.

_______absorbs water and minerals from the soil.