a hormone that speeds up the heart
estrogen
2. a hormone that puts more sugar in the blood and narrows arteries to increase blood pressure
muscular system
3. a hormone released in females
cortisol
4. the system that moves the blood
skeletal system
5. the system that gives support and structure to the body
circulatory system
6. the system that creates movement
adrenaline
1 answer
endocrine system