18 Questions
What is the function of the nasal cavity in the upper respiratory system?
To filter, warm, and humidify the air
What is the term for the exchange of oxygen and carbon dioxide between the atmosphere and the blood of the lung capillaries?
External respiration
What is the term for the series of respiratory tubes that carry gases directly to the cells for gas exchange?
Tracheal system
What is the primary function of the lungs in the human respiratory system?
To facilitate gas exchange between the atmosphere and the blood
What is the term for the exchange of oxygen and carbon dioxide between the blood and the body cells?
Internal respiration
What is the term for the series of respiratory tubes and small openings that connect the lungs to the outside environment?
Bronchial tree
What is the primary function of guard cells in plant leaves?
To regulate gas exchange through stomata
Which of the following animals uses its skin for gas exchange?
All of the above
What is the purpose of gills in aquatic organisms?
To increase the surface area for gas exchange
What is the site of gas exchange in animals?
Cell membrane
What is the function of lenticels in woody stems and mature roots?
To allow gas exchange between the plant and the environment
What is the result if an earthworm's skin is dried up?
It will suffocate
What is the primary function of the circulatory system in multicellular organisms?
To transport nutrients, oxygen, and hormones to cells
Which of the following is a unique feature of plant gas exchange mechanisms?
Diffusion of gases through the cell membrane
What is the primary site of gas exchange in the mammalian respiratory system?
Alveoli
Which of the following is NOT a function of the respiratory system?
Synthesis of ATP
What is the term for the process of gas exchange between the environment and an organism's cells?
Respiration
Which of the following is a characteristic of the circulatory system in animals?
Presence of a closed circulatory system
Test your knowledge of the structures and organs involved in gas exchange in plants and animals, as well as the coordination of the respiratory and circulatory systems. Learn about the differences in morphology and physiology between plants and animals.
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