High Five Facts - Nervous System Choca Esos Cinco - Sistema Nervioso

The video provides an overview of the nervous system, highlighting its components like the brain, spinal cord, and nerves. It explains how neurons function and compares their number to stars in the Milky Way. The five senses are detailed, showing how they connect to the brain. The video also covers the nervous system's role in controlling involuntary actions like breathing and digestion. Lastly, it discusses the brain's activity during sleep, emphasizing its importance for memory and emotional processing.

What is an example of a reflex action mentioned in the video?

• Yawning when tired

• Jumping when startled

• Blinking when something approaches the eye

• Removing your hand from a hot surface

How many neurons are estimated to be in the human brain?

• 10 million

• 100 million

• 1 billion

• 100 billion

Which sense is associated with the cochlear nerve?

• Smell

• Vision

• Hearing

• Taste

What involuntary function is NOT controlled by the nervous system?

• Digestion

• Heartbeat

• Breathing

• Walking

Why is sleep important for the brain according to the video?

• It allows the brain to process memories and emotions

• It increases appetite

• It helps in muscle recovery

• It reduces stress levels