Answer:
The correct option is B: as synapses form, 20-80% of the surrounding neurons die
Explanation:
One very surprising aspect of growth of brain is how cells are programmed to die, and thus creates space for connective structures. Thus, the formulation of synapses is accompanied by the death of 20 to 80 percent of neurons, although this is dependent on the region of the brain. It is however fortunate that the prenatal period is accompanied by the production of more neurons by the neural tube capable of always satisfying the needs of the brain.
I could recommend Brian find someone he feels comfortable talking to about his feelings example another trusted friend or a professional. Or find close relative to have family members speak to him
Explanation:
Fast Twitch Muscle Fiber Types. The two types of skeletal muscle fibers are slow-twitch (type I) and fast-twitch (type II). Slow-twitch muscle fibers support long distance endurance activities like marathon running, while fast-twitch muscle fibers support quick, powerful movements such as sprinting or weightlifting.
New tools and different practices where uplifted over the years.
Eating healthy, exercising, and getting enough sleep all help lower stress levels.
