The Human Machine Vocab

Does this picture represent a 'system'? why/why not?

This is in the air we breathe..

Is 'watch' or 'study' a synonym for examine?

Name an organ in the human body!

When something ___________ it moves along a path that returns to the place it started.

A group of parts that work together to do a job

How do humans take in oxygen?

Part of your body that has a certain job to do.

A tube that liquid travels through in a living thing.

To be part of something.

When you __________ something you look at it closely.

A _______ is the smallest working part of a living thing.

When something circulates, does it end up in a new place or the same place?