What type of thing makes up the skeletal system?
Bones
This is the main organ of the circulatory system
Heart
What is the main organ of the respiratory system?
Lungs
What is the main organ of the nervous system?
The brain
Healthy lungs appear as what color?
Pink
You were born with ______ bones.
By the time you're an adult, you will have only _____ bones.
350 bones and 206 bones.
What are the two important jobs of the circulatory system?
The circulatory system moves blood and regulates your body temperature.
What important gas does the respiratory system provide for the body?
Oxygen
What is the purpose or role of the nervous system?
The nervous system tells other areas of the body what to do.
What is your largest organ?
Skin
What two organs are protected by your ribcage?
Heart and Lungs
What are the other parts that make up the circulatory system?
Blood vessels, veins, and blood.
Is breathing automatic?
Yes, breathing is done without you being aware of it.
The nervous system consists of what 3 parts?
Brain, spinal cord, and nerves
True or False: Human teeth are just as strong as shark teeth.
True!
While shark teeth might be sharper. They are the same level of strength.
What bone protects the brain?
The skull or cranium
Oxygen travels through ______ part of the circulatory system?
Blood Vessels
What are the tubes in the lung called?
Bronchi
The nervous system warns you when you're in danger. Causing this common response ______ or _______.
Fight or flight
When is the brain most active?
At night, while sleeping.
What bone protects your spinal cord?
The backbone or spine.
Your body has between ____ and ____ quarts of blood.
4 to 5 quarts of blood
The respiratory system is connected to what other main system?
The circulatory system
The brain cannot feel pain. Why is this possible?
There are no pain receptors in the brain
What organ can regenerate (regrow itself)?
The liver