A molecule is two or more atoms bonded together chemically. An atom is the most basic unit of matter. When atoms are chemically bonded together with covalent bonds, molecules are formed. Molecules can be very small like water molecules or extremely large like proteins such as hemoglobin.
It is believed that your brain is still active for 7 minutes after heart failure/death :)
Weight is a very large factor in are day to day lives. People whom are overweight can experience things such as becoming out of breathe from simply walking across the kitchen or tying their shoes, not to mention not staying a healthy weight can lead to many problems such as diabetes, heart failure and much more.
