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Respiratory System

The respiratory system includes the lungs and the airway. The questions in this category focus mainly on the anatomical and physiological processes associated with breathing.

2,890 Questions

Which respiratory network reroutes and slows incoming airflow so it can mingle with the lungs residual gases?

The respiratory network responsible for rerouting and slowing incoming airflow is primarily located in the lungs and involves the action of the bronchi and bronchioles. This network helps to redistribute airflow, allowing it to mix more thoroughly with the residual gases in the alveoli. This process enhances gas exchange efficiency by maximizing contact between the fresh air and the blood in the capillaries surrounding the alveoli. Additionally, the smooth muscle in the airways can constrict or dilate to regulate airflow as needed.

How is respiration measured?

Respiration is typically measured by assessing the rate of breathing, often quantified as breaths per minute (bpm). This can be done through direct observation, counting the rise and fall of the chest, or using medical devices like spirometers that measure lung volume and airflow. In clinical settings, more advanced techniques, such as capnography, may be employed to measure carbon dioxide levels in exhaled air, providing insights into respiratory efficiency and gas exchange.

Where does glycolysis start in aerobic respiration and where is it completed?

Glycolysis begins and ends in the cytoplasm, however, the rest of cellular respiration is completed within the mitochondria.

What is the difference between aerobic respiration and anaerbic respiration?

Aerobic respiration: 1) Requires oxygen 2) Occurs in the mitochondria 3) Produces 38 molecules of ATP 4) Products are carbon dioxide and water in both yeast and humans 5) The glucose molecule is completely oxidised.

Anaerobic respiration: 1) Doesn't requires oxygen 2) Occurs in the cytoplasm 3) Produces 2 molecules of ATP 4) Products are lactic acid in humans and carbon dioxide and ethanol in yeast 5) The glucose molecule is partially oxidised.

What is anaerobic respiration and give two examples of anaerobic respiration?

Anaerobic respiration is a type of cellular respiration that occurs in the absence of oxygen, yielding energy by breaking down glucose. Examples of anaerobic respiration include fermentation in yeast cells, where glucose is converted into ethanol and carbon dioxide, and lactic acid fermentation in muscle cells, where glucose is converted into lactic acid.

What prevents food entering trachea when swallowing?

The epiglottis is a flap of tissue located in the throat that covers the trachea during swallowing, preventing food from entering. Additionally, the muscles in the throat contract to push the food down the esophagus towards the stomach, instead of allowing it to enter the trachea.

What are the parts of conducting portion of the respiratory system?

The different parts of the conducting portion and their respective functions are as follows:

  • external nares/nostrils: for the take in and exhalation of air
  • nasal cavity, paranasal sinuses: filter, warm and moisten the air
  • pharynx: passageway, filters air
  • larynx: prevents food and water from entering the airway during swallowing, helps with speech
  • trachea: forms the main airway, filters air
  • bronchi: form the airway branches that enter the lungs

Do you in hale or exhale when the volume of the chest cavity increases?

The air pressure in your chest cavity increases when you are exhaling. For air to leave your lungs, it must be at a higher pressure than the air outside. Your diaphragm pushes up against your chest cavity causing the space in your lungs to get smaller. If the volume decreases, the pressure has to rise. Don't believe me? start exhaling, then close your mouth. Your cheeks will puff out because the pressure inside is greater than the pressure outside.

What does 'anaerobic respiration is far less efficient than aerobic respiration' mean?

There are two types of cellular respiration: aerobic and anaerobic.

Aerobic respiration occurs when there is oxygen present. In total, 36 ATP are produced by the end of aerobic respiration.

Anaerobic respiration occurs when there is no oxygen present. In total, just 4 ATP are produced by the end of anaerobic respiration.

Thus, aerobic respiration is more efficient in comparison to anaerobic respiration as it yields more ATP

Is respiratory therapist required in or?

Yes, respiratory therapists are required in Oregon to provide specialized care and treatment for patients with breathing-related disorders. They play a crucial role in managing conditions such as asthma, chronic obstructive pulmonary disease (COPD), and help patients with respiratory issues improve lung function and overall quality of life.

What is the name of the respiratory system of insects which is composed of branching tubes with openings to the outside?

The respiratory system of insects is called the tracheal system. It consists of a network of branching tubes called tracheae that deliver oxygen directly to the cells and remove waste gases. These tubes have openings called spiracles on the surface of the insect's body.

Is the diaphragm bigger than the lungs or vice versa?

The lungs are bigger than the diaphragm. The diaphragm is a dome-shaped muscle located beneath the lungs. When it contracts, it flattens out, creating more space in the chest cavity for the lungs to expand.

When the air pressure in the lungs is greater than the air pressure outside the body you?

at higher altitudes the pressure of air is greater in our lungs as compare to the air pressure outside the body

What happens if you inhale a pea?

If small enough, it will most likely pass over a protective flap called the epiglottis, which prevents food from entering your lungs, then through the bronchial tube. In other cases, if the pea passes through the flap and gets stuck in your throat then you would choke. In some cases, pulmonary aspiration could occur, which is when a foreign material gets in the lungs. If you feel that the ea really did get into your lungs, you should go to the ER because it is possible that the pea contained bacteria that could enter the ling and cause an infection. Other than that just drink a glass of water and you'll be fine.

What is a product if cellular respiration and not fermentation?

The end products of cellular respiration are carbon dioxide, water, and ATP (adenosine triphosphate). These products are generated through the breakdown of glucose and other organic molecules in the presence of oxygen in the mitochondria of the cell. Fermentation, on the other hand, produces end products such as alcohol or lactic acid in the absence of oxygen.

What is progressive evolution of respiratory and circulatory systems in vertebrates?

The progressive evolution of respiratory and circulatory systems in vertebrates involves adaptations that improve oxygen delivery to tissues. For example, the transition from gills to lungs allowed terrestrial vertebrates to breathe air more efficiently, while the development of a double circulatory system (pulmonary and systemic circuits) in mammals enhances oxygen distribution throughout the body. These evolutionary changes have contributed to the success of vertebrates in diverse environments.

How do horses respiratory system temporarily adapt to different altitudes?

A horses respiratory system temporarily adapts to different altitudes using a method called IHT. IHT improves increased hypoxic ventilatory response and increased minute ventilation which increases total and vital lung capacity.

What system does the respiratory system work with?

The respiratory system works closely with the circulatory system. The respiratory system is responsible for exchanging oxygen and carbon dioxide with the blood, while the circulatory system helps transport these gases to and from the cells in the body. Together, they ensure the body receives oxygen and removes carbon dioxide efficiently.

Have artificial respiration or oxygenation saved patients suffering from lack of oxygen?

Yes, artificial respiration and oxygenation techniques have been essential in saving patients suffering from lack of oxygen. They help to provide vital oxygen to the body when the natural breathing process is compromised due to various medical conditions or emergencies. These interventions can help stabilize the patient's condition until further treatment can be provided.

What happens to the oxygen when it reaches the alveoli?

When oxygen reaches the alveoli in the lungs, it diffuses from the air in the alveoli into the surrounding capillaries. The oxygen then binds to hemoglobin in red blood cells, which transports it to the body's tissues for use in cellular respiration.

What happen when you inhale the air of the toothpaste?

Nothing will happen because there is no other chemicals in that air other than what is contained in the toothpaste itself. Whatever chemicals/smells come out of the tooth "paste" is nothing to worry about.

What are the materials needed in aerobic respiration and anaerobic respiration?

In aerobic respiration, the materials needed are glucose (or other organic molecules), oxygen, and enzymes to catalyze the reaction. In anaerobic respiration, the materials needed are glucose (or other organic molecules) and enzymes to catalyze the reaction. Oxygen is not required for anaerobic respiration, and different types of anaerobic pathways may involve different materials such as nitrate or sulfate.

Is the brain a component of the cardio respiratory system?

No, the brain is not a component of the cardio respiratory system. The cardio respiratory system consists of the heart, blood vessels, and lungs, and functions to provide oxygen to the body and remove waste gases. The brain, however, is part of the central nervous system, which is made up of the brain, spinal cord, and nerves. It is responsible for coordinating and controlling the body's activities.

What is the difference between the respiratory system and photosynthesis?

The respiratory system is responsible for the exchange of gases (oxygen and carbon dioxide) between the body and the environment, providing oxygen for cellular respiration. Photosynthesis is the process by which plants, algae, and some bacteria convert light energy into chemical energy in the form of glucose, releasing oxygen as a byproduct. In summary, the respiratory system involves gas exchange in animals, while photosynthesis is a process unique to plants that converts light energy into chemical energy.