The adrenal glands are associated with the production of epinephrine and norepinephrine, which are both involved in the body's "fight or flight" response to stress. These hormones help prepare the body for intense physical activity by increasing heart rate, dilating airways, and mobilizing energy stores.
Rhonchi are rumbling sounds generated by thick secretions in the lungs.
To increase the oxygen intake to stimulate the heart and lungs. You can try exercises like pursed-lip breathing and deep belly breathing to open your airways and increase the amount of oxygen in your body.
Epinephrine and norepinephrine are two very structurally similar molecules. They've both involved in the sympathetic part of your autonomic nervous system. Epinephrine (also known as adrenaline) is a hormone which is secreted from the adrenal medulla when activated by the sympathetic nervous system (during times of stress). Norepinephrine (also known as noradrenaline) is a neurotransmitter that is released by neurons in the sympathetic nervous system. Epinephrine and norepinephrine generally produce the same effects as they both interact with adrenergic receptors in the body. Epinephrine is structurally different from norepinephrine as epinephrine has a methyl group (-CH3) attached to the nitrogen atom (making it a secondary amine), whereas norepinephrine is just a primary amine. Image google 'norepinephrine and epinephrine' to view their chemical structures.
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Yes, the nose can initiate the cough reflex by detecting irritants or foreign particles that trigger a response to clear the airways. Postnasal drip, caused by excess mucus dripping from the nose into the throat, can also stimulate coughing.
The largest diameter airways are the mainstem bronchi. Smaller-diameter airways are the bronchioles.
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