Your brain has nerves and those nerves run throughout your system so in that case your central nervous system control everything. It is like a director it tells your heart to pump blood it signals everything it even control your homeostasis and reflex.
Answer:
3 so that lipids can be converted into amino aids
Answer:
nose --> respiratory system
skull --> skeletal system
kidneys --> Urinary system
veins --> circulatory system
Explanation: I hope this helps!