Answer: nervous and endocrine system.
Central nervous system(CNS) is needed to send a signal to many organs to work. Damage in CNS can cause you to stop breathing. The endocrine system is keeping the body healthy by make sure that the blood concentration of glucose and other molecule is enough to sustain life, but not too much to cause damage.
Answer:
The water molecule has a slight negative charge near its oxygen atom and a slight positive charge near its hydrogen atoms, but when a neutral molecule has a positive area at one end, and a negative area at the other, it's called a polar molecule.
Hope this helps!
What I can say is that the movie is a masterpiece
I think it’s c. Hope you get it right!
