What is the main function of the organs shown

In an organ, different tissues work together to carry out a particular function. These are the main organs, as well as their primary function: The brain controls thoughts, memory and other organs. The heart pumps blood around the body.

Explanation:

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.

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