Which hormone functions in the regulation of the body's metabolic rate?
a. insulin
b. thyroid hormone
c. vitamin d
d. glucagon

Two critical interventions to turn around the opioid crises are:

Which of the organisms listed below performs nitrogen fixation? a. legumes b. plants c. bacteria d. fungi

Match the functions to the cell types ? contraction and relaxation. conducting electrochemical signals fighting diseases carrying genetic material