This bone protects your brain
What is the skull?
This muscle helps you bend your arm towards your body
What is the bicep?
This protects the heart
What is the ribcage?
This organ controls your body and your thoughts
What is the brain?
These are the main two organs in the respiratory system
What are the lungs?
This is the longest and strongest bone in the body
What is the femur?
This is the type of muscle that makes up your heart.
What is the cardiac muscle?
The number of chambers in the human heart
What is four?
This part of the system connects your brain to the rest of your body
What is the spinal cord?
This tube carries air from your throat to your lungs
What is the trachea?
What is the ribcage?
These muscles are attached to the skeleton and help you move.
What is the skeletal muscle?
The average heart beats/minute
What is 60-100 beats/min?
These are the cells that send signals in your body
What are neurons/nerve cells?
The part of your throat where vocal cords are located (the voice box).
What is the larynx?
The number of bones in the adult human body.
What is 206?
This muscle is responsible for helping you breathe.
What is the diaphragm?
The three types of blood vessels
What are arteries, veins, and capillaries?
The human brain weighs about this many pounds
What is 3 pounds?
These tiny sacs in the lungs exchange oxygen and carbon dioxide
What are alveoli?
The smallest bones in your ear.
What are ossicles?
The largest muscle in the human body.
What is the gluteus maximus?
The heart is controlled by another system.
What is the nervous system?
This part of the brain controls basic (automatic) functions like breathing, heart beat, and digestion.
What is the brain stem?
This is the amount of alveoli in the lungs
What is 600 million?