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Gas Exchange and Circulation in Plants and Animals

18 Questions

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Gas Exchange and Circulation in Plants and Animals

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Questions and Answers

What is the function of the nasal cavity in the upper respiratory system?

To regulate blood pressure

To pump blood throughout the body

To facilitate gas exchange between the atmosphere and the blood

To filter, warm, and humidify the air (correct)

What is the term for the exchange of oxygen and carbon dioxide between the atmosphere and the blood of the lung capillaries?

Cellular respiration

External respiration (correct)

Internal respiration

Tracheal respiration

What is the term for the series of respiratory tubes that carry gases directly to the cells for gas exchange?

Alveoli

Diaphragm

Tracheal system (correct)

Bronchial tree

What is the primary function of the lungs in the human respiratory system?

To facilitate gas exchange between the atmosphere and the blood Signup and view all the answers

What is the term for the exchange of oxygen and carbon dioxide between the blood and the body cells?

Internal respiration Signup and view all the answers

What is the term for the series of respiratory tubes and small openings that connect the lungs to the outside environment?

Bronchial tree Signup and view all the answers

What is the primary function of guard cells in plant leaves?

To regulate gas exchange through stomata Signup and view all the answers

Which of the following animals uses its skin for gas exchange?

All of the above Signup and view all the answers

What is the purpose of gills in aquatic organisms?

To increase the surface area for gas exchange Signup and view all the answers

What is the site of gas exchange in animals?

Cell membrane Signup and view all the answers

What is the function of lenticels in woody stems and mature roots?

To allow gas exchange between the plant and the environment Signup and view all the answers

What is the result if an earthworm's skin is dried up?

It will suffocate Signup and view all the answers

What is the primary function of the circulatory system in multicellular organisms?

To transport nutrients, oxygen, and hormones to cells Signup and view all the answers

Which of the following is a unique feature of plant gas exchange mechanisms?

Diffusion of gases through the cell membrane Signup and view all the answers

What is the primary site of gas exchange in the mammalian respiratory system?

Alveoli Signup and view all the answers

Which of the following is NOT a function of the respiratory system?

Synthesis of ATP Signup and view all the answers

What is the term for the process of gas exchange between the environment and an organism's cells?

Respiration Signup and view all the answers

Which of the following is a characteristic of the circulatory system in animals?

Presence of a closed circulatory system Signup and view all the answers