Answer: True.
Explanation:
The Valsalva maneuver is performed by forcibly exhaling against a closed airway. Maneuver variations can be used either in medicine, as a test of cardiac function and autonomic nervous control of the heart. A modified version is done by expiring against a closed glottis. This will bring forth the cardiovascular responses but will not force air into the eustachian tubes.
Answer:
The correct definition for protein is an essential nutrient that makes up more than 50 percent of your body weight important for growth, building and maintaining muscles, and supplying the body with energy, among other things.
Explanation:
Proteins are macro-molecules formed by amino acids, essential compounds for the development and growth of a person's body.
They are nutrients obtained from the consumption of meat and some vegetables, providing the raw material for the formation of muscles and important molecules for the body, such as enzymes.
Amino acids and proteins are necessary as an energy source and constitute about 50% of the body's dry weight.
Other options are not correct because:
<em>B) Carbohydrates are another type of nutrient, different from proteins.</em>
<em>C) The body's primary source of energy is carbohydrates.</em>
<em>D) Lipids -not the proteins- are essential nutrients that provides long-lasting energy, helps store vitamins protects vital organs and keeps the body warm.</em>
Answer:
The first phase is called inspiration, or inhaling. When the lungs inhale, the diaphragm contracts and pulls downward. At the same time, the muscles between the ribs contract and pull upward. This increases the size of the thoracic cavity and decreases the pressure inside.
Explanation
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