This depends on person to person. My favorite is behaviorism. This is because it focuses on the role the environment plays in a person, I am a microbiologist and a biochemist so I often look at what happens on the inside and enjoy looking at the outside factors that influence a person.
A: The pathway of air goes from the nasal cavity (or oral cavity) to the pharynx to the trachea to the primary bronchi (right and left) to the secondary bronchi to the tertiary bronchi to bronchioles to the alveoli (site of gas exchange)
B: when relaxed, the diaphragm is a dome shape. when we inhale, the diaphragm flattens down, increasing the thorax volume. this reduces the pressure in the thorax, so air moves into the lungs to equalize the pressure. when we exhale the diaphragm moves back into its relaxed dome position.
1: Never leave a fire running unattended ever.
2: Be careful when dealing with something that can be a fire hazard.
3: Should there ever be a fire, always be ready to locate the fire extinguishers.
4: If a fire cannot be dealt with a fire extinguisher, etc, contact 911 immediately.
