What Paigej319 said their answer is pretty good and yeh you need to show options
Answer:
Blood is made of plasma, red blood cells, platelets, and white blood cells.
Blood is a liquid that helps oxygen and nutrients get everywhere in the body.
Answer:
Endocrine System
Explanation:
The endocrine system, made up of all the body's different hormones, regulates all biological processes in the body from conception through adulthood and into old age, including the development of the brain and nervous system, the growth and function of the reproductive system, as well as the metabolism and blood sugar