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Respiratory Systems in Animals Quiz

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Questions and Answers

What is the main function of the circulatory system?

To transport oxygen and carbon dioxide throughout the body (correct)

To filter waste products from the blood

To regulate body temperature

To store energy in the form of fat

What is the main component of blood that carries oxygen?

Platelets

White blood cells

Red blood cells (correct)

Plasma

What type of circulation is found in fish?

Closed circulation

Double circulation

Open circulation

Single circulation (correct)

What is the main function of the heart?

To pump blood throughout the body Signup and view all the answers

What is the color of oxygenated blood?

Light red Signup and view all the answers

What type of circulation is found in birds and mammals?

Double circulation Signup and view all the answers

What is the main function of the medulla oblongata?

To control the respiratory system Signup and view all the answers

What is the primary role of the peripheral chemoreceptors?

To monitor changes in oxygen levels in the periphery Signup and view all the answers

How does hemoglobin transport oxygen in the blood?

Hemoglobin transports oxygen in multiple small molecules Signup and view all the answers

What is the primary function of stomata in terrestrial plants?

To allow the exchange of respiratory gases Signup and view all the answers

Where are stomata typically found on leaves?

On the lower epidermis Signup and view all the answers

How do aquatic plants obtain the carbon dioxide required for photosynthesis?

From the water in the form of hydrogen carbonate ions Signup and view all the answers

What is the purpose of the alveoli in the lungs?

To provide a large surface area for gaseous exchange Signup and view all the answers

How does the structure of the alveolus facilitate efficient gaseous exchange?

The alveolus is hollow and surrounded by capillaries Signup and view all the answers

What is the primary mechanism by which gases are exchanged in the alveoli?

Diffusion Signup and view all the answers

How do the respiratory systems of fish and crabs differ from the respiratory system in mammals?

Fish and crabs have external gills, while mammals have a pair of lungs Signup and view all the answers

What is the purpose of the diaphragm in the mammalian respiratory system?

To contract and relax to change the volume of the thoracic cavity Signup and view all the answers

How does the direction of blood flow in the gill capillaries relate to the direction of water flow over the gills?

The blood and water flow in opposite directions Signup and view all the answers