Chapter 9 Ventilation
Negative pressure in the chest is used to move air in, and positive pressure in the chest
is used to move air out.
To move air, the diaphragm and the muscles of the chest are contracted and relaxed to
change the pressure within the c
Chapter 6 Principles of Pathophysiology
There are a variety of structures within a cell. Each has a specific function. Common
cell structures include the nucleus, the endoplasmic reticulum, and the mitochondria.
Common cell structures include the nucleus,
Chapter 7 Life Span Development
Infancy is a time of enormous growth and development. Significant changes occur in
the first year of life. Compared to adults, infants rely more upon their noses and
diaphragms when they breathe.
While the fetus is in the m