Multiple Choice
Which of the following statements best reflects what studies have shown regarding the safety of organically grown food compared to conventionally grown food?
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1. Introduction to Biology
Introduction to Biology
Multiple Choice
What is the primary purpose of the increase in Frank's nasal mucus?
A
To enhance the sense of smell by dissolving more odor molecules
B
To trap and remove pathogens and particles from the airways
C
To increase oxygen absorption in the nasal cavity
D
To decrease the temperature of inhaled air
Verified step by step guidance1
Understand the function of nasal mucus: Nasal mucus plays a critical role in the respiratory system by trapping and removing pathogens, particles, and debris from the airways. It acts as a protective barrier to prevent harmful substances from entering the lungs.
Evaluate the options provided: Analyze each option to determine which aligns with the biological function of nasal mucus. For example, enhancing the sense of smell or increasing oxygen absorption are not primary functions of mucus.
Focus on the immune defense role: Nasal mucus contains enzymes and antibodies that help neutralize pathogens, making its primary purpose related to protecting the body from infections.
Consider the physical properties of mucus: Its sticky nature helps trap particles, while cilia in the nasal cavity move the mucus toward the throat for removal, further emphasizing its role in cleaning the airways.
Select the correct answer: Based on the biological function of nasal mucus, the correct answer is 'To trap and remove pathogens and particles from the airways.'
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