How to study the chemistry of amino acids in the human body
Understand what amino acids are.
Amino acids are chemical compounds that have important biological function in the tissues of all living organisms including humans and animals. They are usually present naturally as building blocks of special type of macromolecules that are called proteins.

This type of macromolecules is abundant in nature and is found in many food products including meat products and other food sources. There are 20 known amino acids in the body that combined comprise the structure of all proteins in the body.

How to get out of a bad relationship
Be your true self.
Everyone changes a little when they get into a new relationship. You start watching football because your boyfriend is into it, or you watch drama movies because that's all your girlfriend wants to watch.

If you feel like everything about you is changing, there might be a problem. Ask yourself if you're compromising your values, opinions, or clothing preferences for your partner.

A crowded train is shown from the inside. a man

is talking to someone else as the car begins to rock.

Athletes walk together through a hallway then stand on logs and chop through them in a competition. Two athletes walk through wearing green and orange jerseys then saw through large logs in a competition. the judge
inspects the log and declares a winner to the crowds delight.