Question

It is close to sunset when Brandon is hiking in the woods with his dog. The dog suddenly stops walking and starts to growl menacingly at something in the shadows of the forest. Brandon squints his eyes and tries to make out what alerted his dog. He tightens his grip on the leash and strains to hear any movement in the dry leaves. He can also feel his pulse increase, and his mouth feels very dry. Explain how each of the following concepts applies to Brandon’s current situation.
Epinephrine
Peripheral nervous system
Occipital lobe
Natural selection

Answer 1

Explanation:

Epinephrine is not often affiliated with fear, mostly with bodily problems

Answer 2

The effect of epinephrine is that it is what is responsible for making his pulse raise.

• Epinephrine is what is commonly called adrenaline. Increased pulse rate is an effect of adrenaline rush in the bloodstream.

The peripheral nervous system passes information to the brain. It is what made him to tighten his grip on the leash involuntarily.

The occipital lobe is what helps to process vision. Brandon tried squinting in order to focus on what caused the dog to be at alert.

Natural selection is how people or living things try to adapt to changes. The dog starts to growl due to the changes that it observes in the environment.

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