The "ball of the foot" normally carries about 40% of the weight of the body. what is the ball of the foot?

The “ball of the foot is” part of the foot , more precisly, the padded portion of the sole located between the toes and the arch. It is a common area in which people, especially the ones that wear high heels develop pain called metatarsalgia.

i'm guessing this is from edg enuity so the answers would be, from top to bottom,

theodor schwann

matthias schleiden

robert hooke

rudolph virchow

anton van leeuwenhoek