Homework 10: Respiratory

Discipline: Medical Sciences (Anatomy, Physiology, Pharmacology etc.)

Type of Paper: Question-Answer

Academic Level: Undergrad. (yrs 3-4)

Paper Format: APA

Pages: 1 Words: 275


Human Anatomy & Physiology

During inhalation
the diaphragm and rib muscles contract.

From which structures do oxygen molecules move from the lungs to the blood?

TermWhich statement is correct?
In the blood, oxygen is bound to hemoglobin, a protein found in red blood cells

After blood becomes oxygenated,
it returns to the heart, and is then pumped to body cells.

is a protein that can bind four molecules of oxygen.

Which of the following descriptions accurately describes Boyle’s law?
The pressure of gas in your lungs is inversely proportional to the volume in your lungs.

Which muscles, when contracted, would increase the volume of air in the thoracic cavity?
diaphragm and external intercostals

Which pressure is the result of the natural tendency of the lungs to decrease their size (because of elasticity) and the opposing tendency of the thoracic wall to pull outward and enlarge the lungs?
intrapleural pressure

During an allergic reaction, which of the following would aid respiration?

If the transpulmonary pressure equals zero, what will happen to the lung?
lungs will collapse