Answer:
they're very common and wear protection to prevent STDs
Answer:
Bronchitis
Explanation:
Bronchitis is an inflammation of the lower airways. It happens when the bronchi, located between the lungs, become inflamed due to an infection or some other cause. According to its duration and etiology, a distinction is made between acute bronchitis, short duration, and chronic bronchitis, long duration and frequent relapses.
Symptom
:
Cough with mucus, sometimes bloody. If the mucus of bronchitis is yellowish green and is accompanied by fever, it is most likely that there is bacterial infection.
Inflammation of the bronchi (ramifications of the airways between the trachea and the lungs).
Inflammation (edema) of the bronchial walls.
Obstruction of the alveoli.
Beeps or wheezing.
Bubbling (referred to the sound effect that can be seen when the patient is auscultated with a stethoscope).
Respiratory distress
General discomfort.
Fatigue.
Fever, usually low.
Respiratory difficulty aggravated by exertion or mild activity.
Wheezing
Even after acute bronchitis has resolved, a dry and bothersome cough may develop that lasts for several weeks.
The 650 skeletal muscles in the human body contract when they receive signals from motor neurons, which are triggered from a part of the cell called the sarcoplasmic reticulum. Motor neurons tell your muscles to contract and the better you become at having those signals tell your muscles to contract, the stronger you can get.
Answer:
VO2 max, or maximal oxygen consumption, refers to the maximum amount of oxygen that an individual can utilize during intense or maximal exercise. This measurement is generally considered the best indicator of cardiovascular fitness and aerobic endurance.
Explanation:
Hazard symbols<span> or </span>warning symbols<span> are recognizable </span>symbols<span> designed to warn about hazardous materials, locations, or objects, including electric currents, poisons, and </span>radioactivity<span>. The use of hazard symbols is often regulated by law and directed by </span>standards organizations<span>. Hazard symbols may appear with different colors, backgrounds, borders and supplemental information in order to specify the type of hazard. Warning symbols are used in many places in lieu of or addition to written warnings as they are quickly recognized (faster than reading a written warning) and more universally understood (the same symbol can be recognized as having the same meaning to speakers of different languages).</span>