Bone Basics
Joint Junction
Muscle Mania
Junction Function
100

This is the largest bone in the human body.

What is the femur?

100

This encloses the joint and helps hold bones together.

What is joint capsule?

100

Your brain initiates this . . .

What is voluntary movement of the muscles?

100

Motor neurons carry impulses from the central nervous system to this.

What is the skeletal muscles?

200

This gland is responsible for regulating the calcium in our body.

What is the parathyroid gland?

200

The primary function of this is to lubricate the joints.

What is synovial fluid?

200

The primary function of skeletal muscles is for.

What is movement?

200

All of the sarcomeres in a muscle fiber act in response to a nerve impulse.

What is contraction?

300

This function of the red bone marrow is found in the femur.

What is produce blood cells?

300

This is associated with getting older. The articular cartilage gradually wears away.

What is Osteoarthritis?

300

This causes muscle tension without movement.

What is isometric muscle contraction?

300

During exercise, heart rate and breathing increase to deliver more of this to working muscle tissue.

What is oxygen increases to the muscle?

400

This bone structure protects the brain.

What is the skull?

400

This structure is a disc of fibrous cartilage between pubic bones. Females are larger than Males.

What is the pubic symphysis?

400

This shortens muscles when movement occurs.

What is isotonic muscle contraction?

400

This exercise involves contraction without movement.

What is isometric exercise?

500

Vitamin D primarily helps regulate which mineral.

What is Calcium?

500

A joint where two bones meet.

What are articulations?

500

This energy molecule is required for muscle contraction.

What is ATP?

500

This autoimmune disorder affects receptors at the neuromuscular junction and causes muscle weakness.

What is myasthenia gravis?