Phammy21
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what happens as you push up the balloon??

Sagot :

Babzki

The two balloons inside the bottle will shrink or return to its size when you push up the balloon at the bottom of the model (see attach picture). When you push up the balloon at the bottom of the model, the volume of the bottle decreases. As the volume decreases inside the bottle, the air pressure inside the bottle increases which causes the balloon to shrink or deflate allowing the air in the balloon to move outside the tube (this is when we exhale).

In this activity, the bottle represent the chest, the two balloons inside the bottles represent the lungs, the tubes connected to the balloons represents the airway passageway, and the balloon in the bottom of the bottle represent the diaphragm.

During exhalation, diaphragm relaxed and moves upward (the same way you push up the balloon in the bottom of the model) allowing the chest cavity to compressed facilitating lung relaxation. The air inside would then goes out the airway passageway until it is out of the nose. As the air exits the lungs, the lungs would occupy less space resulting to lung relaxation the same way the two balloons inside the bottle shrink or return to its size. In order for the chest cavity to expand and returns back to its original place, several muscles are working to facilitate this activity.

Here are the lists of airway passageway as the air goes into the lungs  which represented by the tubes connected to the two balloons inside the bottle.

  1. Nose
  2. Nasal cavity
  3. Pharynx
  4. Larynx
  5. Trachea
  6. Bronchi
  7. Bronchioles
  8. Alveoli

Nose

The external organ of breathing system which receives the oxygen during inhalation.

Nasal cavity

oxygen is modified in the nasal cavity before it enters the lower  breathing system which the air is warmed,  cleaned, and moistened.

Pharynx

common passageway of food and air. Pharynx is divided into three region, nasopharynx, oropharynx, and  laryngopharyx.

Larynx

Receives the oxygen coming from the pharynx as moves down through the epiglottis.

Trachea

also known as windpipe; it receives the air from the larynx and connects it to the bronchi below it.

Bronchi

also called bronchial  tubes; two branching tubes that  connect the trachea to the right and left lungs.

Bronchioles

Finer subdivision of bronchi,  a hairlike tube that connects to the alveoli.

Alveoli

The actual site of gas exchange between oxygen from the atmosphere and carbon dioxide as waste product of metabolism in the body.

Higher concentration of oxygen in the alveoli diffuses to the lower concentration of oxygen in the blood. When oxygen diffuses to the blood, it will bind to the hemoglobin making the the blood oxygenated. Oxygenated blood are being pumped by the heart to be delivered in different parts of the body.

List of Muscles involved during Inhalation

  • External Intercostals muscles
  • Diaphragm
  • Sternocleidomastoid Muslces
  • Pectoralis minor

All of these muscles will contract during inhalation to facilitate air to move into the lungs particularly the oxygen air.

List of Muscles involved during Exhalation

  • Internal Intercostals Muscles
  • Diaphragm
  • Abdominal Muscles
  • Quadratus Lumborum

All these muscles will contract except for the diaphragm to facilitate exhalation of carbon dioxide gas.

For additional information, kindly visit the link provided below;

brainly.ph/question/594345

brainly.ph/question/569137

brainly.ph/question/9945

View image Babzki
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