Question

What are two (2) advantages of breathing air, compared with obtaining Dissolved Oxygen from water? (choose two answers)

Air is much lighter and easier to move than water making respiration easier

Air contains a much higher concentration of Oxygen than water

Breathing atmospheric air does not require any loss of water

Air-breathing requires no energy to ventilate the respiratory surfaces

The reason animals need a continuous supply of Oxygen is to

obtain the most energy from their food.

make Carbon Dioxide.

carry out Glycolysis.

synthesize Protein.

take in Carbon Dioxide.

In Exhalation, ______________.

the Diaphragm moves downwards, decreasing the pressure around the Lungs.

the Diaphragm moves upwards, increasing the pressure around the Lungs.

the Diaphragm moves upwards, decreasing the pressure around the Lungs.

the Diaphragm moves downwards, increasing the pressure around the Lungs.

The process of Inhalation in the Mammalian Respiratory System is by increasing the space around the outside of the lung which decreases the pressure on the outside of the lung and allows air to come into the lung under Negative Air Pressure.

True

False

Answer 1