Answer:
The system that removes waste in the blood from the body
Kidney
paired organs that clean the blood producing urine from waste
Excretory system
A group of different tissues that work Together perform a specific function
organ
A system specialized for bringing oxygen into an animal's body and removing carbon dioxide
respiratory system
The body system that recognizes and destroys pathogens and fights diseases
immune system
Enzymes acts as a catalyst in chemical reactions to speed up the rate of reaction.
Enzymes are not necessarily needed because substrates can disintegrate on their own, but enzymes are helpful to aid this process.
It is known as the opening statement
chlorine because it has 7 electrons on the outer shell
