Login
Copyright

Respiratory System Overview Flashcards

Respiratory System Overview Flashcards
1/20 (missed) 0 0
Start Your Free Trial To Continue Studying

As a member, you'll also get unlimited access to over 55,000 lessons in math, English, science, history, and more. Plus, get practice tests, quizzes, and personalized coaching to help you succeed.

Free 5-day trial
It only takes a few minutes to set up and you can cancel at any time.
Already registered? Login here for access
Respiration at High Elevations

Oxygen concentration remains the same: 21%

Lower atmospheric pressure leads to lower partial pressure of oxygen, which cannot push into the lungs with the same force

Got it
Gas Exchange

The movement of carbon dioxide out of and oxygen into the blood across the respiratory membrane through diffusion

Affected by atmospheric pressure and oxygen/carbon dioxide concentration gradients

Got it
Surface Tension
The force at the surface of water caused by the attraction between water molecules, allowing it to resist external forces
Got it
Diffusion
The process by which a substance moves from an area of high concentration to an area of low concentration
Got it
Transpulmonary Pressure

The pressure difference between the outside (intrapleural) and inside (intrapulmonary) of the lungs

Intrapleural is less than intrapulmonary; prevents the lungs from collapsing during exhalation

Got it
Intrapulmonary Pressure
The pressure found inside the lungs
Got it
Intrapleural Pressure
The pressure found inside the space between the lungs and chest wall, also known as the pleural cavity
Got it
Lower Respiratory System
Contains the larynx, trachea, bronchi, bronchioles, and alveoli
Got it
Upper Respiratory System
Contains nose, nasal cavity, sinuses, mouth, and pharynx
Got it
Respiratory System

The organ system responsible for removing carbon dioxide from the body and bringing oxygen into the body

Consists of the upper and lower respiratory systems

Got it
20 cards in set

Flashcard Content Overview

Growing up, I was told about the rule of 3s when it came to surviving in the wilderness. You could theoretically go 3 weeks without food, 3 days without water, but only 3 minutes without breathing. Have you ever tried to hold your breath? The average person can make it about 30 seconds before giving up. What makes breathing, also known as respiration, so important? It is required for bringing oxygen into the body and removing carbon dioxide waste. These flashcards will go through the major organs required for respiration to occur, as well as the processes by which gas exchanges occurs.

Front
Back
Respiratory System

The organ system responsible for removing carbon dioxide from the body and bringing oxygen into the body

Consists of the upper and lower respiratory systems

Upper Respiratory System
Contains nose, nasal cavity, sinuses, mouth, and pharynx
Lower Respiratory System
Contains the larynx, trachea, bronchi, bronchioles, and alveoli
Intrapleural Pressure
The pressure found inside the space between the lungs and chest wall, also known as the pleural cavity
Intrapulmonary Pressure
The pressure found inside the lungs
Transpulmonary Pressure

The pressure difference between the outside (intrapleural) and inside (intrapulmonary) of the lungs

Intrapleural is less than intrapulmonary; prevents the lungs from collapsing during exhalation

Diffusion
The process by which a substance moves from an area of high concentration to an area of low concentration
Surface Tension
The force at the surface of water caused by the attraction between water molecules, allowing it to resist external forces
Gas Exchange

The movement of carbon dioxide out of and oxygen into the blood across the respiratory membrane through diffusion

Affected by atmospheric pressure and oxygen/carbon dioxide concentration gradients

Respiration at High Elevations

Oxygen concentration remains the same: 21%

Lower atmospheric pressure leads to lower partial pressure of oxygen, which cannot push into the lungs with the same force

Pp = Pt x C

Partial Pressure Equation

Pp: partial pressure of the specific gas

Pt : total pressure of the gas mixture

C: concentration of the specific gas

Internal Respiration

The gas exchange that occurs in the body's tissues across the respiratory membrane

Carbon dioxide moves out while oxygen moves into the tissues

Oxygen-Hemoglobin Saturation Curve
Shows that oxygen-hemoglobin binding increases as partial pressure of oxygen increases, indicative of hemoglobin's cooperative binding effect
Effect of Temperature on Hemoglobin

Affects binding strength (affinity) of oxygen with hemoglobin

Higher temperature lead to lower affinity

At high temperatures, hemoglobin releases oxygen

Bohr Effect

Phenomenon in which carbon dioxide and a decrease in pH leads to lower binding strength (affinity) of oxygen with hemoglobin

Allows for hemoglobin to release oxygen for cellular availability

Carbon Dioxide

A gaseous waste product made during cellular respiration that is exhaled during respiration

Some is used as a pH buffer in plasma

Homeostasis

The process by which the body maintains stable internal conditions

Basic elements: stimulus, receptor, integration center, and effector

Hypercapnia

Increase in carbon dioxide levels in the bloodstream

The stimulus for ventilation regulation in healthy people

Hypoxia

Decrease in oxygen levels in the bloodstream

The stimulus for ventilation regulation in sick people

External Respiration

The gas exchange that occurs in the lungs across the respiratory membrane

Carbon dioxide moves out while oxygen moves into the bloodstream

To unlock this flashcard set you must be a Study.com Member.
Create your account

Unlock Your Education

See for yourself why 10 million people use Study.com

Become a Study.com member and start learning now.
Become a Member

Already a member? Log In

Support