parts has your leg?--"Two parts: my thigh and my lower leg."

How many joints has your arm?--"Three joints: my shoulder joint, my elbow
joint, my wrist joint."

How many joints has your leg?--"Three joints: my hip joint, my knee joint,
my ankle joint."

What are joints?--"Bending places."

How many kinds of joints have you?--"Two: hinge joints, and ball-and-socket
joints."

What kind of a joint is the shoulder joint?--"A ball-and-socket joint."

Why do you call the shoulder joint a ball-and-socket joint?--"Because at
the shoulder the arm may move in any direction."

Tell how the shoulder joint is made.--"The upper end of the bone of the
upper arm is rounded and fastened in a hollow place called a socket."

Which of the joints of the arm and hand are hinge joints?--"The elbow
joint, the wrist joint, the thumb joint, the finger joints."

Which of the joints of the leg and foot are hinge joints?--"The knee joint,
the ankle joint, the toe joint."

Which of the joints of the leg is a ball-and-socket joint?--"The hip
joint."

Where is the heel?--"At the back part of the foot."

Where is the ball of the foot?--"On the sole of the foot, behind the great
toe."

Where is the hollow of the foot?--"In the middle of the sole of the foot."

Where is the sole of the foot?--"On the bottom of the foot."

Where is the instep?--"Between the ankle joint and the toes."

Where is the lower leg?--"Between the knee joint and the ankle joint."

Where is the thigh?--"Between the hip joint and the knee joint."

Where is the upper arm?--"Between the shoulder joint and the elbow joint."

Where is the fore-arm?--"Between the elbow joint and the wrist joint."

Where are the toe joints?--"Between the parts of the toes."

Where are the finger joints?--"Between the parts of the fingers."

Where is the ankle joint?--"Between the lower leg and the foot."

Where is the knee joint?--"Between the thigh and the lower leg."

Where is the hip joint?--"Between the trunk and the thigh."

Where is the wrist joint?--"Between the fore-arm and the hand."

Where is the elbow joint?--"Between the upper arm and the fore-arm."

Where is the shoulder joint?--"Between the trunk and the upper arm."

Where are the tips of the fingers?--"At the ends of the fingers."

Where is the ball of the thumb?--"On the palm of the hand, below the
thumb."

Where is the palm of the hand?--"On the inside of the hand, between the
wrist and fingers."