Heart Anatomy and Function Concepts

How many muscles is the body made up of?

• About 600

• About 100

• About 50

• About 1,000

What type of muscle is the heart?

• Involuntary muscle

• Voluntary muscle

• Skeletal muscle

• Smooth muscle

What is the main job of the heart?

• To pump blood to each part of the body

• To help you breathe

• To digest food

• To control your thoughts

What could happen if your heart does not work correctly?

• You could die very quickly

• You could get a headache

• You could feel hungry

• You could sneeze

How many chambers does the heart have?

• Four

• Two

• Three

• Five

What are the upper chambers of the heart called?

• Atria

• Ventricles

• Valves

• Septum

What are the lower chambers of the heart called?

• Ventricles

• Atria

• Valves

• Septum

What is a valve in the heart?

• A thin flap of tissue that acts like a one-way door

• A thick wall that separates the heart

• A muscle that pumps blood

• A chamber of the heart

What is the septum in the heart?

• A thick tissue wall that separates the left and right sides of the heart

• A thin flap of tissue that acts like a door

• A chamber of the heart

• A blood vessel

How many chambers are on the top of the heart?

• Two

• One

• Three

• Four