Question

how does a healthy heart contribute to an emotional well - being?
by promoting a sense of contentment and happiness
by facilitating digestion and nutrient absorption
by enhancing muscle strength and endurance

Explanation:

To determine the correct answer, we analyze each option:

• The first option "by promoting a sense of contentment and happiness" relates to emotional well - being, as a healthy heart can impact mood through proper blood flow and overall physiological health which in turn affects emotions.
• The second option "by facilitating digestion and nutrient absorption" is a function related to the digestive system, not directly to emotional well - being.
• The third option "by enhancing muscle strength and endurance" is related to the muscular system and physical performance, not emotional well - being.

Answer:

A. by promoting a sense of contentment and happiness