The human body is a ___ machine.

When you swallow food, it moves down the narrow tube, which is called ___.

It’s mostly water, but it also contains enzymes which break down food. What is it?

What is the function of saliva?

Match the words and their Russian equivalents.

Write the English equivalent — «пищевод»

My woolen ___ used to be bigger.

What a nice ___ of gloves you have bought!

Match