Bird Biology Test Respiration System/ Circulation System

Question 1

Since a bird’s lungs are small, and it’s flies st stilt uses of low oxygen, how does it obtain the great amount of oxygen it needs?

Answer 1

Air enters the nostrils to the lungs. Lungs have 9 extending air sacs that carry the oxygen to the hollow bones. The bird then stores the oxygen allowing it to have enough to survive high altitudes.

Question 2

What is one disadvantage o having a heart that beats so fast?

Answer 2

The bird is burning so many calories. It’s so much to handle because has to go find a a lot of food to maintain their energy.

Question 3

What is the definition of body metabolism?

Answer 3

The process by which your body converts what your eat and drink into energy.

Question 4

What does endothermic mean?

Answer 4

• Reaction or process followed by or the requirement of the absorption of heat.
• animal capable of generating its own heat

Question 5

Why is endothermic a benefit to the bird?

Answer 5

So a bird can keep warm in the coldest of environments. They also could stay in cold areas predators can’t go.