More cards in this set

What do spiracles do to prevent water loss?

When are spiracles triggered to open?

What do spiracles connect to?

Where do tracheoles extend to?

What does the tracheal system increase?

The system being internal benefits what?

Between the tracheole and body cells, the diffusion pathway is...

Diffusion takes place in what phase, and why is this beneficial?

How do gases move in and out of the tracheole system?

The body cells respire, using up oxygen- creating what?