Lesson 5


1. The function of the respiratory organs is to supply the body with the gasses surrounding it; this is done by its absorption into the blood through the ____________
2. The function of the cardio-circolatory system is to transport and distribute oxygen and to remove residues and _____________
3. Every time we make a movement we use energy which asks more of our body, requiring a change in the ___________ in order to satisfy this new demand.
4. Normally, ____________ breath is preceded by an increase in the breathing rate.
5. Hypoxia refers to the situation in which the amount of oxygen required by the cell is less than that available to the body
6. Every time that our body undergoes a loss of heat it responds by trying to maintain a constant temperature in the central zone. This is:
7. The most serious consequence of pulmonary overdistension is the passing of ________ bubbles from the alveoli into the blood stream and is commonly known as air embolism syndrome.
8. The only effective treatment for air embolism syndrome is immediate recompression in a hyperbaric chamber and the administration of large quantity of __________ to make the blood more fluid and so reduce the risks of obstruction by the bubbles.

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