U1M2L4: Moving Materials Essential Reading

How do plants transport materials?

• By diffusion only

• Through osmosis and diffusion

• Through vascular tissues

• By absorbing nutrients from the soil

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What is the function of stomata in plants?

• To transport water and nutrients

• To release oxygen during photosynthesis

• To absorb carbon dioxide for respiration

• To control the size of the leaf

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What is the main function of the respiratory system? Choose 2 correct answers.

• To transport oxygen to the cells

• To remove carbon dioxide from the body

• To produce energy for the body

• To filter impurities from the air

What is the role of alveoli in the respiratory system?

• To transport oxygen to the blood

• To remove carbon dioxide from the blood

• To exchange gases between the lungs and blood

• To filter impurities from the air

What is the function of the circulatory system?

• To transport oxygen and nutrients

• To remove waste products

• To regulate body temperature

• All of the above

What is the difference between open and closed circulatory systems?

• Open circulatory systems have vessels, while closed circulatory systems do not

• Open circulatory systems transport blood in open spaces, while closed circulatory systems use vessels

• Open circulatory systems are found in mammals, while closed circulatory systems are found in invertebrates

• Open circulatory systems are more efficient than closed circulatory systems

What is the main function of gills in aquatic animals?

• To filter food particles from the water

• To provide buoyancy

• To exchange gases between the animal and the water

• To protect the animal from predators

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What is the purpose of diffusion in gas exchange?

• To transport oxygen to the cells

• To remove carbon dioxide from the body

• To exchange gases between the lungs and blood

• To regulate body temperature

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What is the function of capillaries in the circulatory system?

• To transport oxygen and nutrients

• To remove waste products

• To exchange gases between the circulatory system and cells

• To regulate blood pressure

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What is the advantage of having a four-chambered heart?

• Allows for efficient separation of oxygenated and deoxygenated blood

• Increases the speed of blood flow

• Reduces the risk of heart disease

• Enables the animal to survive in extreme environments