The heart is to the as the brain is to the . A. respiratory system, excretory system

B. muscular system, circulatory system

C. respiratory system, muscular system

D. circulatory system, respiratory system

E. circulatory system, nervous system

F. muscular system, nervous system

e bc the brain is the nervous system and the circulatory system is cardiovascular system and it consists for the heart

Explanation:

type 2 happens when excess consumption of high-sugar foods flood the blood supply with glucose and reduce the production and effectiveness of insulin. if a person has prediabetes, they can reduce the risk of full diabetes through regular exercise and a balanced, low-sugar diet.

the wires in the toaster turning red and the toast crisping and turning brown