The knee is the joint that is between the thigh and calf on a human. The knee has two articulations and it connects the thigh bone to the two calf bones.
Because it is the bone that your calf muscle attaches to.
Bone marrow.
calf bone
The enlargement of bone inside human nose is called the ethmoid bone. It separates the nasal cavity from the brain.
The anatomical area of the calf is called the sural. Also the calf is made of muscle: the gastrocnemius and the underling soleus.
No bone in the human body is called the "subclarian" bone.
femur (thigh bone)
head
The big bone in the thigh is the *******; the lower bones are the ***** and ******.
There is no bone in the human body which is called a "Ground Bone". Ground Bone is probably a reference to bone meal, which is literally bone which has been ground up for use as fertilizer.
A baby buffalo is called a calf.