Nervous System Basics
What are the two main parts of the nervous system?
What are the Central Nervous System (CNS) and the Peripheral Nervous System (PNS)?
What is the largest part of the brain responsible for higher-order functions like reasoning and memory?
What is the cerebrum?
What structure connects the left and right hemispheres of the brain?
What is the corpus callosum?
Which lobe is responsible for visual processing?
What is the occipital lobe?
How much does the average adult brain weigh?
What is about 3 pounds?
What is the main function of the CNS?
What is to process and interpret sensory information and send out responses?
What part of the brain coordinates movement and balance?
What is the cerebellum?
Which structure regulates hunger, thirst, and body temperature?
What is the hypothalamus?
Which lobe processes touch, temperature, and pain sensations?
What is the parietal lobe?
What percentage of the body’s energy does the brain use?
What is 20%?
What does the PNS do?
What is transmitting signals to and from the CNS?
What connects the brain to the spinal cord and regulates vital functions like breathing?
What is the brainstem?
What relays sensory information to the cerebral cortex?
What is the thalamus?
What lobe controls decision-making, movement, and speech production?
What is the frontal lobe?
What is the fastest speed at which nerve signals can travel?
What is 268 miles per hour?
What type of cells transmit signals in the nervous system?
What are neurons?
What are the ridges and grooves on the brain’s surface called?
What are gyri (ridges) and sulci (grooves)?
What gland controls hormone release and is known as the "master gland"?
What is the pituitary gland?
Which lobe handles hearing, memory, and language comprehension?
What is the temporal lobe?
What is the brain’s ability to reorganize itself by forming new neural connections called?
What is neuroplasticity?
What part of the body contains the second-largest collection of neurons, often called the "second brain"?
What is the gut?
What is the name of the deep groove that separates the frontal and parietal lobes of the brain?
What is the central sulcus?
What produces melatonin and regulates sleep cycles?
What is the pineal gland?
What part of the frontal lobe is specifically responsible for speech production?
What is Broca’s area?
How many neurons are estimated to be in the human brain?
What is 86 billion?