Body Systems
This system moves oxygen through the blood.
What is the circulatory system?
This is the basic unit of life.
What is a cell?
The thigh bone, and the largest bone in the body.
What is the femur?
This is the largest part of the brain, used for thinking.
What is the cerebrum?
Your stomach uses this to help digest food, and it can melt metal.
What is stomach acid?
This system controls hormones.
What is the endocrine system?
This type of tissue sends electrical signals.
What is nervous tissue?
These muscles work without you thinking about it.
What are involuntary muscles?
This part of the nervous system controls involuntary actions like breathing.
What is the brainstem?
These cells clean up dead ones; basically body “garbage men”.
What are white blood cells (or macrophages)?
This system breaks down food.
What is the digestive system?
This tissue type covers and protects body surfaces.
What is epithelial tissue?
The bone that protects your brain.
What is the skull (or cranium)?
The “wiring” of the body that sends signals.
What are nerves?
This sticky substance traps dirt and germs in your nose.
What is mucus?
This system helps filter waste from the blood.
What is the urinary system?
These small structures inside a cell each have a specific job.
What are organelles?
This type of joint is found in your shoulder and hip.
What is a ball-and-socket joint?
These cells send messages through the nervous system.
What are neurons?
These tiny hairs in your airways sweep dust out of your lungs.
What are cilia?
This system defends the body from disease.
What is the immune (or lymphatic) system?
This organelle is the “powerhouse†of the cell.
What is the mitochondria?
This strong tissue connects muscle to bone.
What is a tendon?
This part of the brain helps with balance and coordination.
What is the cerebellum?
This organ filters about 50 gallons of blood a day.
What are the kidneys?