How does regular exercise make us more alert and energetic?

Blank is a disease in which the body is unable to make eunough of the hormone insulin to breakdown sugar into energy

Me d: which system contains the heart, blood, and blood vessels? a. muscular b. circulatory c. respiratory d. digestive which system contains the pituitary, adrenal, and thyroid glands? a. respiratory b. circulatory c. endocrine d. reproductive

Which analyst position analyzes information using mathematical models to business managers make decisions?