This is the basic unit of life.
What is a cell?
________ is the largest organ in your body.
What is your skin?
This is the place where two or more bones meet.
What is a joint?
The heart has this many chambers.
What is four?
This is the sac that stores our urine.
What is the bladder?
This is a group of similar cells that perform a specific job in the body.
What are tissues?
These are the building blocks of the nervous system.
What are neurons?
This type of muscle tissue is found in the walls of organs and blood vessels.
What is smooth?
Veins bring blood _______ our heart.
What is to?
This is what the food passes through when it goes from the mouth to the stomach.
What is the esophagus?
This is a collection of organs working together.
These are what the skin keeps out that could infect the body.
What are germs?
This body system provides structure, shape, and protection to the body.
What is the skeletal system?
The respiratory system gets _______ from the air and delivers it to our blood.
What is oxygen?
This organ removes liquid waste and toxins from our blood.
What are the kidneys?
All of our body systems combine to make this.
What is an organism?
These protect the spinal cord.
What is the vertebrae?
This is the type of muscle tissue that can be controlled.
What is skeletal muscle?
Inhaling and exhaling are the two steps of _______.
What is respiration?
This transports urine out of the body.
What is the urethra?
When an organism's internal environment stays stable despite outside factors.
What is homeostasis?
This is what your brain works as.
What is control center?
This word means to shorten, and happens to muscles during movement.
What is contract?
The circulatory system transports oxygen and _______ to the body.
What are nutrients?
Food is broken down to provide the body with nutrients and this.
What is the energy?