Define the term:
1.Respiration
2.Transportation ​

1 respiration the chemical process whereby energy rich molecules, example glucose,is chemically broken down to release energy.

breathing in and out

Explanation:

the action or process of inhaling and exhaling breathing

movement of humans,animals and goods from one location to another

that is wrong, its not thymus.

when you breathe in, or inhale, your diaphragm contracts (tightens) and moves downward. this increases the space in your chest cavity, into which your lungs expand. the intercostal muscles between your ribs also enlarge the chest cavity. they contract to pull your rib cage both upward and outward when you inhale.