This system gives the body structure and support.
What is the skeletal system?
This type of muscle is voluntary.
What is skeletal muscle?
This organ pumps blood.
What is the heart?
We breathe in this gas.
What is oxygen?
The control center of the body.
What is the brain?
The adult human body has this many bones.
What is 206 bones?
This muscle pumps blood?
What is the heart (cardiac muscle)?
Blood vessels that carry blood away from the heart.
What are arteries?
This organ allows gas exchange.
What are the lungs?
Nerve cells are called this.
What are neurons
The place where two bones meet.
What is a joint?
Muscles are attached to bones by these.
What are tendons?
The substance in blood that carries oxygen.
What is hemoglobin?
Tiny air sacs in the lungs.
What are alveoli?
This part connects brain to body.
What is the spinal cord?
The longest bone in the body.
What is the femur?
This happens when a muscle shortens.
What is contraction?
This type of blood cell fights infection.
What are white blood cells?
The muscle used for breathing.
What is the diaphragm?
The automatic nervous system is called this.
What is the autonomic nervous system?
This protects the brain.
What is the skull?
Smooth muscle is found in these body parts.
What are organs (like the stomach, intestines)?
The circulation between the heart and the lungs.
What is pulmonary circulation?
This waste gas is exhaled.
What is carbon dioxide?
The part responsible for “fight or flight.”
What is the sympathetic nervous system?