The answer: intrapulmonary pressure; atmospheric pressure
Intrapulmonary pressure refers to the pressure that exist in your pleural cavity. Atmospheric pressure, refers to the pressure that exist in earth's atmosphere. Air will move from high pressure to low pressure area. So, in order for the air to sucked in, we will expand our lung to reduce our intrapulmonary pressure and allow air to move from our environment into our body.
In Sigmund Freud's psychoanalytic theory of personality, the pleasure principle is the driving force of the id that seeks immediate gratification of all needs, wants, and urges. So, your answer is D.) pleasure
Answer:
The correct answer is Lifespan development as the field of study that examines patterns of growth, change,and stability in behavior that occur throughout the entire lifespan.
Explanation:
The lifespan development,is the full process of the human development, which is studied by development psychologist.