Lungs, muscles, tendons and bones
ARMS
The mouh helps in the igestion of the body.
legs
The knee.
Mostly it is their ears.
The horse does have a frog on their hoof except it is not the real animal. It is a part of their body/hoof.
a collar bone.
Centaurs are part man, part horse. Chiron had the legs/body of a horse, but the torso, head, and arms of a man. Therefore, he was a centaur.
collar bone, toes or fingers
Yes- a neck
Swallowing your saliva does not break your fast. Saliva is considered a natural part of the body and does not invalidate the fast.
It helps you get around.