Which Organ System Directs Immediate Responses to Stimuli

question 10

Multiple Choice

Which organ system directs immediate responses to stimuli?

• A) lymphatic
• B) cardiovascular
• C) endocrine
• D) nervous

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Definitions:

Surfactant

A substance that reduces the surface tension of a liquid, aiding in processes such as lung function and cleaning.

Alveoli

Tiny air sacs in the lungs where gas exchange takes place, oxygen enters the blood, and carbon dioxide is removed.

Bicarbonate Ions

The bicarbonate ion (HCO3-) plays a crucial role in maintaining the body's pH balance, particularly in the buffering of blood plasma.

Carbaminohemoglobin

Hemoglobin carrying carbon dioxide.