Knowing planes, body positions, directions and such can help people locate areas on the body more easily and precisely. One occupation could be a forensic pathologist who need to identify main points of interest on a body
When a sperm and an egg are combined they create a zygote.
I believe the answer is true. Many foods are packed in protein such as meats, dairy, and nuts. But If, those people are lacking a balanced diet they may need supplementation.
The answer would be replacing all te food in the kitchen right away with healthy food!