Bozeman Science
Fight or Flight Response
Harboring resentment against others is just as real to your body as a dangerous situation and can invoke a fight or flight response. The video explores the fight or flight response in humans. Viewers see what is happening inside the body...
CBC (Canada)
Why Do We Get Nervous?
Sweaty palms, fingernail biting, racing heart. From prepping for a big exam or delivering an important presentation to stepping onto the field before the whistle is blown, we have all experienced nervousness in our lives. Perhaps by...
Bozeman Science
Signal Transmission and Gene Expression
Budding scientists learn about signal transmission, exploring intercellular and intracellular chemical movements. The instructor shows how epinephrine signals other chemicals in the body and can cause our DNA to express different proteins.
SciShow
The Chemistry of Addiction
Why are addictions so common? A video explains the biological processes associated with addiction and the evolutionary reasons we respond this way. It focuses on the brain and chemical responses. It also explores the links between...
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