Respiratory System Crossword Flashcards

Questions and Answers

What is the diaphragm?

a chamber at the back of the throat

the muscle involved in breathing (correct)

a type of blood cell

the windpipe

What chemical in the blood carries oxygen?

hemoglobin

What keeps food out of the lungs?

epiglottis

What is the function of cilia in the respiratory system?

moves mucus back up the mouth Signup and view all the answers

What does the blood in the nose add to the air?

heat Signup and view all the answers

What produces mucus?

sinus Signup and view all the answers

What is known as the voice box?

larynx Signup and view all the answers

What should you breathe through?

nose Signup and view all the answers

What divides the nasal cavity and increases the surface area of the nose?

septum Signup and view all the answers

What does mucus add to the air?

moisture Signup and view all the answers

In order to speak, what must you do?

exhale Signup and view all the answers

What do you breathe?

air Signup and view all the answers

What type of respiration occurs between blood and cells?

internal Signup and view all the answers

External respiration is really just what?

breathing Signup and view all the answers

What refers to the lung?

pneu Signup and view all the answers

What are the air sacs of the lung called?

alveoli Signup and view all the answers

What describes maintaining a constant internal environment?

homeostasis Signup and view all the answers

Where are the heart and lungs found?

plural Signup and view all the answers

Before you inhale, in which direction must the diaphragm move?

down Signup and view all the answers

What is the chamber at the back of the throat called?

pharynx Signup and view all the answers

Which bones are involved in breathing?

ribs Signup and view all the answers

What food is used in respiration?

glucose Signup and view all the answers

What is one function of the nose?

filters Signup and view all the answers

What is the respiratory organ?

lung Signup and view all the answers

How much of your lungs do you normally use?

the upper 2/3 Signup and view all the answers

What are the branches of the trachea called?

bronchi Signup and view all the answers

What causes air to be forced in and out of your lungs?

air pressure Signup and view all the answers

What does 'nasal passages' refer to?

the nose Signup and view all the answers

What gas affects your rate of breathing?

carbon dioxide Signup and view all the answers

What is the artery leading to the lungs called?

pulmonary Signup and view all the answers

What connects to the ears and nose at the pharynx?

mouth Signup and view all the answers

What is the windpipe called?

trachea Signup and view all the answers

What determines if you are in good shape or not?

recovery rate Signup and view all the answers

What part of the brain controls breathing?

medulla Signup and view all the answers

What also connects to the pharynx?

ear Signup and view all the answers

What controls the epiglottis?

tongue Signup and view all the answers

What body tissue fluid helps fight infection?

lymph Signup and view all the answers

What is surrounded by your sinuses?

eye Signup and view all the answers

How many lobes does the right lung have?

three Signup and view all the answers

Why do you breathe faster after exercising?

more carbon dioxide in the blood Signup and view all the answers

Why can you hold your breath longer after you hyperventilate?

the level of CO2 is lower Signup and view all the answers

Define respiration.

the breakdown of glucose which causes energy Signup and view all the answers

What triggers your brain to stimulate your diaphragm so you breathe faster?

the level of carbon dioxide in your blood Signup and view all the answers

Why can't you swallow and breathe at the same time?

epiglottis blocks the air passage Signup and view all the answers

Study Notes

Key Components of the Respiratory System

Diaphragm: The primary muscle responsible for inhalation and exhalation.
Hemoglobin: A protein in red blood cells that transports oxygen throughout the body.
Epiglottis: A flap that prevents food from entering the windpipe during swallowing.

Respiratory Functions

Cilia: Tiny hair-like structures that help move mucus out of the lungs and throat.
Heat Addition: Blood warms the air as it passes through the nasal cavity.
Mucus Production: Sinuses generate mucus that moisturizes inhaled air.

Anatomical Structures

Larynx: Known as the voice box, it vibrates to produce sound.
Nose: The preferred entry point for air, equipped with filters to trap particles.
Septum: The wall that divides the nasal cavity, increasing surface area for air processing.
Alveoli: Tiny air sacs in the lungs where gas exchange occurs.

Processes of Respiration

Internal Respiration: Refers to gas exchange between blood and body cells.
External Respiration: Essentially synonymous with the act of breathing.
Pulmonary Artery: Carries deoxygenated blood from the heart to the lungs.

Breathing Mechanics

Diaphragm Movement: Must move downward to create a vacuum for inhaling air.
Carbon Dioxide Management: Increased levels trigger faster breathing, especially after exercise.

Breathing Control

Medulla Oblongata: Brain region that regulates the rate of breathing.
Response to CO2 Levels: The brain monitors carbon dioxide concentration to adjust breathing accordingly.

Additional Insights

Lung Structure: The right lung consists of three lobes, while the left lung has two.
Lymphatic Function: Lymph helps combat infections and is part of the immune system.
Tongue's Role: It controls the epiglottis, ensuring the proper passage of air and food.

Interconnectedness of Systems

Pharynx: Connects the mouth, nose, and ears for coordination of breathing and swallowing.
Ear Connection: The ear is connected to the pharynx, indicating an integrated structure among senses and respiration.

Physiological Responses

Recovery Rate: A measure of fitness, indicating how quickly normal breathing returns after exertion.
Breathing and Swallowing: Cannot occur simultaneously due to the epiglottis blocking the air passage when swallowing.

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Description

Test your knowledge of the respiratory system with these crossword flashcards. Each card features key terms like 'diaphragm' and 'hemoglobin' alongside their definitions. Perfect for students wanting to reinforce their understanding of how our breathing works.