Skeletal System
Can our skeleton move by itself? Why?
No, because our skeleton needs muscles to move. Our skeleton gives our body it structure.
What connects the muscles to the bones?
Tendons
How many nerves do we have in our bodies?
A billion
What are the two hemispheres of the brain and what do they control?
The left and right hemispheres.
The left controls the right and the right controls the left.
How do we protect our eyes?
Wearing sunglasses, protective eye wear, not looking directly into light, etc.
What is the strongest bone in our body?
What is the difference between voluntary and involuntary muscles?
Voluntary muscles move when you move them and involuntary muscles move continuously and without the human having to tell them to do it.
When you pull away from a hot stove, what is this called?
Reflex
What is the colored part of the eye called?
The iris
What are the three parts of the ear?
The outer, the middle, and the inner ear.
Why is posture important for your skeletal system?
Posture is important to help keep our back straight. We need to sit and stand straight.
What is between the bones that keeps them from rubbing together?
cartilage
Through the spinal cord
What are the 3 parts of the brain we learned about?
The cerebrum, the cerebellum, and the brain stem.
What are the three tiniest bones in our body? (located in the middle ear)
The hammer, the anvil, and the stirrup.
What are the axial bones?
The skull, spine, and ribcage.
What connects bone to bone? (seatbelt in our body)
ligaments
What are our 5 senses?
See, hear, touch, taste, and smell
What is the sequence of the eye?
Cornea, iris, pupil, lens, retina
What nerve from the eye, leads to the brain?
What nerve from the ear, leads to the brain?
The optic nerve
The auditory nerve
What are the two lower leg bones? Which one is bigger?
tibia and fibula
Tibia is the bigger of the two.
What is one of the most famous tendons in our bodies?
Achilles Tendon
What are the 'roads' called in our nervous system? They are stringy parts that lead away from the cell body.
dendrites
What is the cerebrum responsible for controlling and managing?
Memory, language, thought, sensation, and decision making
What is the white part of the eyeball called?
Sclera