The Skeletal System
What do you call a place where two bones come together?
A joint
How many muscles are in the human body?
About 650
How many nerves do you have in your body?
About one billion
Which of your five senses are your eyes responsible for?
Sight
Which of your five senses are your ears responsible for?
How many bones are in the human body?
206
What are muscles you have control over called?
Voluntary Muscles
What are the three main parts of the nervous system?
The brain, spinal cord and nerves
What is the colored part of the eye called?
Iris
What are the three sections of the ear called?
Outer Ear, Middle Ear and Inner Ear
What name is given to the bones that hang off of the axial skeleton?
Appendicular bones
What kinds of muscles do their job automatically, without you even thinking?
Involuntary Muscles
What are reactions that happen automatically called?
Reflexes
The pupil controls the amount of what?
Light that is let in
What are the three small bones that make up the middle ear called?
What holds bone to bone?
Ligaments
What holds muscles to bone?
Tendons
If you injure your spinal cord and lose the ability to use your arms or legs, you would be...
What connects your eye to your brain?
The optic nerve
What is the smallest bone in the body called?
The stirrup
What is the largest bone in the body?
The femur
What are the 3 types of muscles called?
Smooth, Skeletal and Cardiac
What are the three parts of the brain?
The medulla, cerebellum and cerebrum
What name is given to the special cells that line your retina and sense light?
Rods and Cones
What connects the ear to the brain?
Auditory Nerve