Imagine that a young girl suffers a horseback-riding injury, and one of her ribs punctures her diaphragm. How will this injury affect the girl's breathing? Select all correct choices
A. The injury will make it easier to increase
negative air pressure in her chest cavity,
making inhalation easier.
B. The injury will make it more difficult to
increase negative air pressure in her chest
cavity, making inhalation more difficult.
C. The injury will make it more difficult to
decrease negative air pressure in her chest
cavity, making inhalation more difficult.
D. The injury will not affect her at all, as
intercostal muscles are responsible for
breathing
B
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