Read the summary and the most important questions on biology section 1 t/m 5 x1,2 | ik

• 1 respiration system unit 1.♥

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• what doe you breath in and to wich gas does it changes?

  you need oxygen from the air, that does you breath in. when you breath out you releas an other gas called carbon dioxide.

• 2 inhaled air and exhaled air unit 2. ♥

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• what are differences between inhaled and exhaled air?

  exhaled air is warmer than inhaled air.

  exhaled air has les oxygen and more carbon dioxide than inhaled air.

• 3 respiration in organisms unit 3. ♥

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• how do we call de burning process in our body?

  respiration.

• whats are cold and warm blooded animals?

  coldblooded animals= they have a temperature that changes with the oudside temperature.

  warmblooded animals=have a constant temperature 

• what are the coneection between aerobic respiration and activity?

  when you move your body need more aerobic respiration because it has to work harder so you need more oxygen + more fuel than you get energy that you need for doing excercises.

• 5 inhaling and exhaling unit 5. ♥

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• what happens when you bread in and out?

  oxygen from the air passes into the bloodstream and carbon dioxide within the blood passes back into the alveoli to be breathed out. so the air inside your lungs needs to be refreshed continuously.

• what are the two types of breathing?

  thoracic breathing (chest breathing) and abdominal breathing (diaphragmatic breathing)

• what is thoracic breathing?

  during toracic breathing the ripcage and the breastbone move up and down. (when you inhale the chest widens as the ribcage and the breastbone move upwards. when you exhale the chest and the lungs retun to hteir original colume as the ribcage and the breastbone move downwards.

• what means abdominal breathing?

  during abdominal breathing the diaphragm and the front of your abdomen move. the diaphragm can move up and down wards. (when you breath in the diaphragm moves down and becomes flatter.

• 6 importances out subunit 6, 7, 8 , 9, x1, x2 ♥

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• what is hay fever? .what is allergy?

  hay fever= an allergice reaction caused by pollen.

  .

  allergy= severe reaction to a fairly harmles substances.