Auditory System
The senses system
The ear is part of the auditory system.
Respiratory system
Eyes - Sight, Ears - Hearing, Nose - Smell, Tongue -Taste and Skin - Touch.
Yes. Actually, the smallest ears would belong to the PIGMY elephant!
They belong to the nervous system
The kidneys belong to the excretory system.
Veins belong to the circulatory system, because they transport blood there for they belong to the circulatory system.
The eyes belong to the Nervous system.
Arteries and veins belong to the cardiovascular system.
The lungs belong to the Respiratory System.
No, it is not possible for humans to have wolf ears on their head. These are physical characteristics that belong to wolves and cannot be transferred to humans.