Harold is tired and ready for bed. as he lies down and begins to relax, his brain emits bursts of that are slower than brain waves during wakefulness.

Alpha Waves

Explanation:

Alpha waves are released in the wakeful condition of brain while relaxing. Generally the pattern of waves with in a brain oscillated between beta/theta waves to Alpha waves and then again to beta/theta waves.

The alpha waves replaces stress and anxiety and also enhances the mental and physical performance. Green teas and energy drinks increase the alpha waves.

it means

miss jennifer is buying pencils in packs of 12, notebooks in packs of 16, and red pens in boxes of 20. she needs to have the same number of pencils, notebooks, and red pens. how many packs of each type should she buy?

answer mine : )

a motor homunculus represents a map of brain areas dedicated to motor processing for different anatomical divisions of the body.

homunculus represents the importance of various parts of your body as seen by your brain. as a result, they take up a lot of brain space. although the cortical homunculus is a curiosity, penfield's work in mapping the brain's relationship to the body was invaluable.