What are the fundamental principles governing matter and energy?

Ketosis is a process that occurs when your body uses fat as its main fuel source. ... The ketones, or ketone bodies, become your body and brain's main source of ... Sep 11, 2020 ... If you were to take a human brain and toss it in a blender — not ... Scientists are trying to understand what happens in those creatures. Jan 3, 2024 ... Despite the common misconception, the question of what would happen if humans could use 100% of their brains is still an intriguing one. Jul 14, 2017 ... Based on experimental studies using brain tissue from deceased ... human circulation sometime before 1933. During the epidemic period ... Exposure levels outside the body are called reference levels. These are derived from the basic restrictions using worst-case realistic assumptions, in such a ... Biologically speaking, fertilization (or conception) is the beginning of human development. Fertilization normally occurs within several hours of ovulation ( ... The brain is the most complex organ in the human body. Many believe that a person only ever uses 10 percent of their brain. Jun 1, 2021 ... How does fentanyl affect the brain? Like heroin, morphine, and other opioid drugs, fentanyl works by binding to the body's opioid receptors, ... Jun 16, 2023 ... The body needs vitamin B6 for more than 100 enzyme reactions involved in metabolism. Vitamin B6 is also involved in brain development during ... Sep 1, 2016 ... "To get an idea of how big this number is, imagine counting all 100 billion neurons at a rate of one per second. It would take you about 3,171 ...