The answer would definitely be c
Answer:
Otorhinolaryngology, is a surgical subspecialty within medicine that deals with the surgical and medical management of conditions of the head and neck. Doctors who specialize in this area are called otorhinolaryngologists, otolaryngologists, head and neck surgeons, or ENT surgeons or physicians.
It depends on your body needs, and what your goals are, to build muscles for example or to decrease your cholesterol or weight or increase stability of your energy levels so it varies greatly imo and its better to consult a nutritionist before putting a limit for yourself. personally I'd say between 20-30
A concluding, bonding experience
Well I can't really answer how they work together to maintain homeostasis. But I can tell you that the muscular system helps the nervous system by protecting the nerves. And the nervous system returns the favor by sending messages to the muscles for muscle movement.