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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
How does the heart work with the respiratory system?
The heart pumps deoxygenated blood to the lungs, where capillaries at the air sacs exchange carbon dioxide for oxygen. Then the heart pumps that blood to the body tissues.
Is upper respiratory infection contagious?
Yes, it is contagious. It is spread easiest between children but adults can get it also. It is most contagious within the first 2 to 4 days when symptoms first appear. However, it may remain contagious up to 3 weeks. Be sure to wash your hands immediately after coughing and/or sneezing to avoid spreading the virus to others. Try to avoid large crowds when contagious. Doctors now recommend getting alot of rest, increase fluids, and treat symptoms as needed with over the counter medications (Tylenol, Motrin, Robitusin, etc.).
Insects require oxygen just as we do, and must "exhale" carbon dioxide, a waste product of cellular respiration. Oxygen is delivered to the cells directly through respiration, and not carried by blood as in vertebrates.
Along the sides of the thorax and abdomen, a row of small openings called spiracles (8) allow the intake of oxygen from the air. Most insects have one pair of spiracles per body segment. Small flaps or valves keep the spiracle closed until there is a need for oxygen uptake and carbon dioxide discharge. When the muscles controlling the valves relax, the valves open and the insect takes a breath.
Once entering through the spiracle, oxygen travels through the tracheal trunk (8), which divides into smaller tracheal tubes. The tubes continue to divide, creating a branching network that reaches each cell in the body. Carbon dioxide released from the cell follows the same pathway back to the spiracles and out of the body.
Most of the tracheal tubes are reinforced by taenidia, ridges that run spirally around the tubes to keep them from collapsing. In some areas, however, there are no taenidia, and the tube functions as an air sac capable of storing air.
In aquatic insects, the air sacs enable them to "hold their breath" while under water. They simply store air until they surface again. Insects in dry climates may also store air and keep their spiracles closed, to prevent water in their bodies from evaporating. Some insects forcefully blow air from the air sacs and out the spiracles when threatened, making a noise loud enough to startle a potential predator or curious person.
What are the respiratory organs of a crayfish?
Crayfish breathe using gills, which are located between the carapace (the exoskeleton of the cephalothorax) and the lateral body wall, in the branchial chamber.
Oxygen and carbon dioxide are exchanged between the blood and water across the gill surface as water is circulated through the branchial chamber by the beating of the gill bailer on the second maxilla.
What is the respiratory rate of infants?
A newborn's respiratory rate may range from 100 to 140 respirations per minute. RBB, MD
100 to 160 is the heart rate for infants, infant respiratory rate is 30 to 60 per min, i really hope that you are not actually a doctor MC EMT-P
What is the role of hair and mucus in our noses?
Mucus is produced in the throat and brushed upwards by tiny hair-like structures called cilia. On its way up to the nose and mouth the mucus traps various dust, dirt and germs you breathe in. When the mucus reaches your mouth you either spit it out or swallow it, where it is dissolved in your stomach acid. If you did not produce mucus you would be more prone to respiratory infections, pepsin enjyme which release in our body do work only in the presence of HCL and mucus prevents the walls of stomach in contact with HCL etc. as the germs would be allowed easy access to your body.
The skin and mucous membranes from the body's first line of defense against disease. Most microscopic pathogens and microbes cannot pass through unbroken skin, although they can easily enter through cuts and other wounds. Mucus membranes protect internal organs that are continuous with the outside of the body.These membranes, which line the respiratory, digestive,urinary and the reproductive tracts, secrete a sticky fluid called mucus,which traps microbes.The mucus may then be expelled from the body, perhaps in a cough or sneeze or in feces.If the mucus are swallowed, digestive juices kill the microbes.
Mucus is a protective layer for internal soft organs/tissues.
In HUMANS, mucus acts as an important unspecific form of defense against pathogens preventing them from entering your body and coating our stomach walls which prevents the highly acidic acids in our stomach from digesting itself.
In ANIMALS, mucus has many roles.
- defense against predators Ex. hagfish
- motion Ex. snails
- homes Ex. cave swiftlet
- hunting Ex. New Zealand glowworm
- bungee (escape) cord Ex. banana slug
Mucus is used to keep foreign substances from getting into your body; in your nose it is used to keep the nasal passage clear of these substances and prevents things such as dust mites, insects, pet dander, etc. from infiltrating your lungs.
Mucus is used to make a bigger loogie.
It traps dirt and germs to prevent your body from becoming infected from disease- causing microbes. It is part of the natural defence system.
The purpose of mucus, also loving termed phlegm or boogers, is to fortify the body from disease.
it stops dust from going into the body
It traps pathogens>>>novanet
^thanks, -pewds
well OK. i think it is easier to go to sleep early. that helps me. but i would say don't use the computer all the time or the TV or video games and other electronics. i would also recommend taking a sleep ade. if you really can go to bed take a sleep ade. OK i also recommend buying a mattress that has advertisements to sleep better. hope this helps. :) other things that may help are:
going to bed on a full tummy and a warm body and wear comfy clothes.
How is the respiratory system affected by pollution?
smoking: lung cancer, caused you to cough grossly and choke
smog: it will make you sick and it could give you cancer
pollen: allergies, sneezing, coughing, ichy eyes and nose, runny nose
Is it possible to die if bleach enters the blood stream?
yes but if ur trying to kill yourself please don’t! your strong! you got this! believe in yourself! i have tried multiple times and yes i did search this to kill myself but i’m not gonna 🥺 people love you! i love u ❤️ stay strong x
What happen if you talk or laugh while eating?
The epiglottis is a movable flap of tissue attached behind/under the tongue which blocks the entrance to the trachea (windpipe) when food is swallowed, thus protecting the lungs by forcing the food to pass over the trachea and instead go down the esophagus into the stomach.
On another hand, talking while eating is not the most attractive habit. No one wants to see chewed-up food!
How does the circulartory system work with the respiratory system?
Actually the circulatory system and respiratory system and digestive system work together by the circulatory system takes oxygen. For example air goes into your heart but first goes to your alveoli and then the blood cells take it to the heart. There the heart does its job and pumps everywhere. the stomach and respiratory are working to with the air.
How does muscular system help the lymphatic system?
Lymph, also known as lymphatic fluid, moves throughout the body in a series of vessels that have one-way valves. As our muscles contract and relax when we move around, the lymphatic fluid moves very slowly through these vessels.
What are the parts of the conducting zone of the respiratory system?
Nasal Cavity, Pharynx, Larynx, Trachea, Bronchi, Bronchioles, Alveoli
Nasal cavity- The nasal cavity has three key components: vestibule, main nasal cavity and the paranasal sinuses. Here we see the vestibule, the area within the nostril. The epithelium here represents a continuation of the keratinized, stratified squamous epithelium of the outside skin. Within the vestibule are vibrissae (hairs) that serve to filter out the larger particles entering in the inhaled air
Pharynx- essentially same cell type, dont forget the mucous secretions- essentially same fxn
Larynx- The larynx is situated between the pharynx and the trachea.
Photographs of the larynx in situ. The vocal folds separate during breathing and lie close together to vibrate during phonation
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he pharynx is situated between the nasal cavity and the larynx. The portion exclusively used for breathing (nasopharynx) is lined by the usual pseudostratified ciliated epithelium (respiratory epithelium) found throughout most of the conducting portion of the respiratory system. The remaining components of the pharynx (oropharynx, hypopharynx) are lined by a protective stratified squamous epithelium, appropriate to their role in abrasive activities such as swallowing and coughing.
The trachea extends from the larynx to the primary bronchi of the lung. It consists of a series of C-shaped hyaline cartilage rings that keep the airway open (the esophagus, which lacks such rings, is collapsed except when swallowing). The posterior, open ends of the cartilage rings are connected by trachealis muscle. This muscle contracts to narrow the trachea during coughing, providing a faster air flow. Elastic fibers in the mucosa and submucosa provide flexibility to the trachea
After the trachea, inspired air passes to the bronchi, distributing bronchioles, respiratory bronchioles, alveolar ducts, alveolar sacs and alveoli. Gas exchange occurs in alveoli, which first appear on the respiratory bronchioles.
Please check out a physiology or histology book for more info
Well....yes...for horses it does...it actuelly breaths more than we do in a ONE day....so you shouldn't worry about him/her.
Act of raising the ribs when breathing in?
elevation
not sure there is a term, but by expanding your rib cage, you create negative pressure in your chest cavity, which pulls in air via your mouth and nose to fill the void.
I think it would be elevation, but I agree - there is no specific term that i learned in school for that specifically.
Which one is a frequent respiratory complaint of the aged?
This is such a complex questions and medications in the elderly can cause respiratory problems and sometimes is not classified under geriatrics. Please go on the link below. http://www.chestjournal.org/cgi/content/full/115/suppl_2/158S
The pharynx is the section of the throat between the skull and the esophagus that propels food when swallowed into the esophagus. The epiglottis at the bottom of the pharynx pivots to send food to the esophagus or air into the lungs by way of the voice box (larynx).
What volume allows gas exchange to go on continuously?
Residual volume allows gas exchange to go on continuously
Where does gas exchange occur in the human respiratory system?
Gas exchange does not occur in the respiratory tract, it occurs in the alveoli.
What structure in the airway prevents food and liquid from entering the lungs?
Epiglotis, a cartilaginous flap that lies above the voice box. when you start to swallow, the epiglotis covers the entrance to the voice box, the initial part of the respiratory tract.
You can see the epiglotis in the young babies when their mouth is wide open, because their voice box is higher. The higher placed voice box allows them to breast (or bottle) feed and breath at the same time. Milk flows around, left and right, the voice box into the esophagus, instead of over the top of it if it was placed lower. As the baby grows the voice box descends, making it no longer possible to breath and eat at the same time.
What will happen if the respiratory system fails in function?
The heart (in the circulatory system) may need oxygen to keep the body going. If the lungs (in the respiratory system) can not supply the heart with enough oxygen, the heart will eventually fail. Also, this can cause shortness of breath, which may cause a heart attack.
I hope I answered your question!
How does the digestive system work with the respiratory system in sequence for respiration?
respiration and digestive systems are connected in many ways. respitory gives off oxygen which. gives in carbon dioxide which travels through the body and down to the lungs ( by the stomach)(above)
blood flow
What things affect the respiratory system negatively?
The nose, pharynx, larynx, trachea, bronchi, and bronchioles are the main components of the repiratory system. The lungs interact with the circulatory system to deliver oxygen and remove carbon dioxide.
