Respiratory System

The faster you breathe the faster your heart rate gets (more oxygen to pump around)

The slower you breathe the slower your heart rate gets.

Although correct, this answer does not explain why your heart rate increases. If you are breathing quickly, you are not getting as much oxygen in as if you were breathing normally. Therefore, your heart rate increases because your heart is trying desperately to pump the required oxygen throughout the body that isn't available. For example, if a restaurant is understaffed, the remaining workers will work twice as hard. With not enough oxygen, your heart needs to work harder to deliver the available oxygen.

The deeper breaths you take, the slower your heart rate will be, due to the excess of oxygen; your heart won't need to work as hard with lots of oxygen available.

the water contents in the breathe air gets condensed, on the surface of the mirror and appears foggy

Normally no.

While brain cells can die off after as little as 3 minutes without oxygen; under normal conditions your body will force you to breath before you hit the point where brain cells begin to die.

The only way you could force yourself to lose brain cells from holding your breath would be to add additional complications that prevent the bodies natural danger response from saving you.

In other words: if you add a plastic bag covering the mouth, or hold your breath under water or use some other extreme method of blocking new air flow than yes it would be possible to kill brain cells; however, at that point you are no longer actually "holding your breath" your body would be trying to breath but you would be depriving it of oxygen through additional methods.

You will have at least attempted to breath before any brain cells will die, the only question at that point is if there is air available for you to breath or are you immersed in water, plastic or something else which prevents it from happening.

Even in the most extreme cases of breath holding, the most you could do is force yourself to pass out, at which point your body will begin breathing and prevent brain damage; unless of course you have covered your air passages in some other way.

Smaller birds and mammals have a higher metabolic rate than larger ones because they have a higher surface to volume ratio. That means they lose heat faster, and don't have as much body mass to generate heat. To keep their body temperature well above the temperature in their environment, they have to burn more fuel (food), breathe in more oxygen, and pump blood faster. Cold blooded animals don't show the same big differences in metabolism relative to their size.

Breathing rate is most likely to increase if you are involved in physical activities like running or climbing a stair or cycling or working out in a gym.

When you are involved in a physical activity, the various muscles of your body that are being used will require a lot of oxygen and blood to keep them running which in turn means greater heart rate which in turn means that more oxygen needs to be pumped by the lungs which in turn results in higher breathing rate.

Asthma is usually brought on by allergens in the environment, but respiratory tract infections caused by viruses have also been shown to cause asthma. Microbial infections can also eventually bring on asthma.

The partial pressure of oxygen (O2) determines how much oxygen can be delivered from the lungs to the blood. At higher altitudes the partial pressure of oxygen is lower and it is therefore harder to extract the oxygen from the air to bind with the hemoglobin. Because of the oxygen deficit as compared to sea level breathing rate increases.

Yes; this is correct.

keeps the trachea open when the head is bent or turned

These are called cilia.

The Respiratory membrane: The wall of the alveoli are composed primarily of a single layer of squamous epithelial cells, called type I cells, surrounded by a flimsy basement membrane. See page 815 anatomy and physiology 8th

Main parts of the respiratory system: nose/oral cavity, trachea, bronchi, bronchial tubes, alveoli, lungs Other parts: pharynx, epiglottis, vocal fold, lobar broncus, diaphragm, etc.

well what happens is the repiration is external

Seems like a homework quesiton... The trachea is the cartilagenous tube between the nose/mouth to the lungs. It is at the front of your neck it passes in between the two heads of collar bone.

The respiratory system functions almost elusively to add oxygen to the blood and remove carbon dioxide. Incidental to this it also can be a way to remove some volatile chemicals from the blood.

it is called the throat

It puts a strain on the heart because of all the extra miles of blood vessels it has to pump through.

The respiratory system has a number of nonspecific defenses against disease. The hairs of the nose trap dust and pathogens. Mucus in the upper and lower respiratory system traps foreign bodies and pathogens. The cilia constantly move the mucus with this trapped material out of the system. The cough and sneeze reflexes also offer protection.

The epiglottis protects the trachea, which handles breathing. When you swallow food, the epiglottis covers the entrance to the trachea so food doesn't get in. Occasionally small bits of food do get in, and that's when you hear people say things like "My food/drink just went down the wrong pipe." Fortunately, for small bits of food like this, coughing it up is usually enough to expel it.

1. Humans have two lungs (left and right)

2. Humans have a trachea and mainstem bronchus.

3. Humans have bronchi stemming from the mainstem bronchus.

... and there are ever so many more facts on the respiratory system.

BREATHING- It is the intake of oxygen and release of carbon dioxide. RESPIRATION-It involves breathing and breakdown of food with and release of energy with the help of oxidation of blood.

Inspiration.

It works with all other systems . All systems in body are coordinated . The digestive system provides energy. The skeletal system protects it. Nervous system sends the signals. Circulatory system takes the oxygen rich blood and takes the oxygen poor blood back. The muscular system moves it. The immune system fights against diseases and protects it from sicknesses.

Ok when you are inhaling air, the diaphragm is the one increasing the volume of your lungs. Since your lungs are expanding the ribs are moving forward and the spaces between them are increasing. When you are exhaling the diaphragm is moving up and the chest is lungs are relaxing and the ribs are moving back into there original position.