Section+4+Body+Systems

=Body Systems=

__Circulatory System__
For the Khan Academy videos, you can click on "cc" for subtitles. It is much easier to understand when reading and listening simultaneously besides improving literacy-this is scientifically proven. "Circulatory System and the Heart" media type="youtube" key="QhiVnFvshZg" height="360" width="640" "Red Blood Cell" media type="youtube" key="fLKOBQ6cZHA" height="360" width="640"

__Cellular Respiration__
media type="youtube" key="2f7YwCtHcgk" height="315" width="560"

**__Respiratory System__**
media type="youtube" key="SPGRkexI_cs" height="315" width="560"

__**Nervous System**__
Anatomy of Neuron media type="youtube" key="ob5U8zPbAX4" height="315" width="560" Action Potential of Neuron media type="youtube" key="gkQtRec2464" height="315" width="560" Neuronal Synapses (Chemical signaling) media type="youtube" key="Tbq-KZaXiL4" height="315" width="560"