In females it is the ovaries and in the males it is the testicles.
Main respitory system is lungs, nose, heart, veins and arteries. like humans
main organ; pancreas is accessory
Yes, they SHOULD actually because the human heart is the main internal organ in our body.
Eight or Nine main organs, but I'm not sure which one... I hope this helped you.
The main organ of the skeleton is the bones.
the main organ of the muscular system is the muscles
The main organ in the muscular system is the muscles.
The largest organ of a human is skin.
nephridia is the main excretory organ of annelida
The male organ of copulation in humans is the penis.
in humans there is the organ which does the breathing called the lungs