Question | Answer |
Name two activities that require voluntary actions | Raising hand and talking |
Name two activities that require involuntary actions | pumping blood and breathing |
Why do we have more bones as a baby than we do as an adult? | We have more bones because when you are a baby your bones are in sections to allow room for growth, After you are done growing the bones grow together and harden, forming one bone where where there used to be several |
What are bones made of? | They are made with calcium and phosphorus |
name an example of stimulus and response | The phone rings........... so you answer it |
which body system deals with a stimulus and response system? | The nervous system |
What do we call the inner layer of skin? | Dermis |
What is the tissue that is skin? | Epithilial |
What are 2 things skin does? | Prevents water leakage and cover the body |
Levels of the body organization? | cells-> Tissues->organs-> organ system |
How does an impulse travel? | Starts in the dendrite, axon,cell body,axon,terminal fibers, AND when it leaves the terminal fibers it goes to the dendrites then the next nerve cell |
Neuron | Nerve cell |
Smooth muscles | involuntary, help make our organs function....... holding urine until it is time to use the bathroom |
Skeletal muscles | Attached to the bones of your skeleton; provides the force that helps move bones. |
Tissues | A bunch of cells together |
What are 5 things bones do? | Provides shape, enables you to move, protects organs, produces blood cells, stores certain materials until your body needs them |
Cardiac mmuscle | involuntary, does not get tired, contracts repeatedly; called heartbeats |