General
This is the basic unit of life.
What is a cell?
________ is the largest organ in your body.
What is your skin?
This body system provides structure, shape, and protection to the body.
What is the skeletal system?
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 tissues that perform a specific job.
What is an organ?
Hair helps protect the body by regulating ________ and protecting the head from sunlight.
What is temperature?
This type of muscle tissue is found in the walls of organs and blood vessels.
What is smooth?
The respiratory system obtains ______ from the air and delivers it to the blood.
What is oxygen?
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 send messages around your body using tiny electrical signals.
What are neurons?
How many bones are there in the human body?
What is 206?
Veins bring blood _______ our heart.
What is "to?"
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 place where two or more bones meet.
What is a joint?
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 the job of the spinal cord.
What is carry nerve signals between the brain and the body?
This is the type of muscle tissue that can be controlled.
What is skeletal muscle?
The circulatory system transports oxygen and _______ to the body.
What are nutrients?
This organ prepares solid waste for removal from the body.
What is the large intestine?