Answer: Fight-or-flight response.
- A Sleep
- B Digestion after a meal
- C Fight-or-flight response
- D Rest and recovery
Correct answer: C. Fight-or-flight response
Explanation: Sympathetic system: fight-or-flight response. Increases heart rate, dilates airways, reduces digestion. Adrenaline released.
Structure of a neuron. Image: LadyofHats (Mariana Ruiz), Public Domain, via Wikimedia Commons.
Concept context
Brain, spinal cord, neurons, reflex arcs, and sense organs.