What is the name given to the bone that covers the knee ventrally?

The human body consists of 206 bones in total. These bones are grouped into two main divisions - the axial skeleton and the appendicular skeleton. The skull is composed of two sets of bones, cranial and facial, that total to 22 bones.Each vertebra has a central hollow portion (neural canal) through which the spinal cord passes. The vertebral column is differentiated into cervical (7), thoracic (12), lumbar (5), sacral (1-fused) and coccygeal (1-fused) regions.The bones of the limbs along with their girdles constitute the appendicular skeleton.Each limb is made of 30 bones. The bones of the hand are humerus, radius, and ulna.There are 8 wrist bones (carpals) in the human body.A cup-shaped bone called patella covers the knee ventrally (knee cap).