While there is no practical limit on what types of people can form a friendship, friends tend to share common backgrounds, occupations, or interests and have similar demographics.
Approximately 800,000,000 humans live in the Southern Hemisphere, representing only 10â12% of the total global human population of 7.3 billion. This is due to the fact that there is significantly less land in the Southern Hemisphere than in the Northern Hemisphere.
Cerebrum: Much of your brain function takes place in the cerebral cortex, or outer layer of the cerebrum. It's the assembly line of human thought where all the heavy work gets done. Left hemisphere: Controls your concrete side: speech, writing, language, and calculation.he cerebrum is divided into the left and right cerebral hemispheres. The right hemisphere controls the muscles on the left side of the body. The left hemisphere controls the muscles on the right side of the body.