Question

there are many enzymes found in the human body. what is the function of these enzymes?

to provide the substrates for reactions to occur

to adjust the temperature of the body to allow reactions to occur

to lower the amount of energy needed for certain reactions to occur

to increase the amount of energy available for certain reactions to occur

Explanation:

Enzymes are biological catalysts. They speed - up chemical reactions in the body by lowering the activation energy required for reactions to take place.

Answer:

to lower the amount of energy needed for certain reactions to occur