Respiratory System

Respiratory System

Assessment

Flashcard

Biology

University

Hard

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14 questions

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1.

FLASHCARD QUESTION

Front

What is the respiratory surface?

Back

Specialized structures in organisms where the exchange of gases between the environment and body occurs.

2.

FLASHCARD QUESTION

Front

What are the adaptations of the respiratory surface?

Back

1. Thin and permeable: allows easy diffusion of gases. 2. Moist: gases dissolve in moisture, facilitating diffusion. 3. Large surface area: increases the rate of diffusion. 4. Highly vascularized: ensures rapid transport of gases.

3.

FLASHCARD QUESTION

Front

How do aquatic animals ventilate?

Back

They move through water or move water over their gills for ventilation.

4.

FLASHCARD QUESTION

Front

What is the countercurrent exchange system in fish gills?

Back

Blood flows in the opposite direction to water passing over the gills, maximizing diffusion.

5.

FLASHCARD QUESTION

Front

What is the tracheal system in insects?

Back

A system of tiny branching tubes that penetrate the body and supply O2 directly to body cells.

6.

FLASHCARD QUESTION

Front

What is tidal volume?

Back

The volume of air inhaled with each breath.

7.

FLASHCARD QUESTION

Front

What is vital capacity?

Back

The maximum tidal volume.

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