Science puzzle

2. - The organ that pumps blood throughout the body system.
3. - It is the body system related to the heart and the blood vessels.
5. - It is the body system composed of bones and helps support the body tissues.
6. - The body system that produces and gets rid of urine.
7. - They are very important inside our body because they are complex molecules that do most of the work and cells.
9. - The process of breaking down food that can be absorbed into the bloodstream.
12. - a feedback that instead of getting a counteracting response to some variable, you will intensify the variable.

1. - It helps the body to maintain a stable state or internal environment.
4. - It exchanges oxygen and carbon dioxide also the organs inside the body that are involved in breathing.
8. - A molecule made up of amino acid and It’s the body system that both makes and releases hormones and has the ability to control the actions of other organs as well as cells.
10. - a feedback that brings the body back to its normal state temperature and keeps homeostasis.
11. - The organs and tissues that do these things produce, carry and store white blood cells in order to protect the body from other infection and diseases.