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What is the primary function of the respiratory system in animals?

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Question: What is the primary function of the respiratory system in animals?

Options:

  1. Nutrient absorption
  2. Gas exchange
  3. Waste elimination
  4. Hormone regulation

Correct Answer: Gas exchange

Solution:

The primary function of the respiratory system is gas exchange, allowing oxygen to enter the body and carbon dioxide to be expelled.

What is the primary function of the respiratory system in animals?

Practice Questions

Q1
What is the primary function of the respiratory system in animals?
  1. Nutrient absorption
  2. Gas exchange
  3. Waste elimination
  4. Hormone regulation

Questions & Step-by-Step Solutions

What is the primary function of the respiratory system in animals?
  • Step 1: Understand that the respiratory system is a group of organs in animals.
  • Step 2: Know that the main job of this system is to help with breathing.
  • Step 3: Realize that breathing involves taking in oxygen from the air.
  • Step 4: Learn that the body uses oxygen for energy and other functions.
  • Step 5: Understand that the respiratory system also helps to remove carbon dioxide, which is a waste product.
  • Step 6: Conclude that the primary function of the respiratory system is gas exchange: getting oxygen in and getting carbon dioxide out.
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