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Multiple Choice
Which body system is primarily responsible for regulating body temperature and producing vitamin D?
A
Respiratory System
B
Digestive System
C
Circulatory System
D
Integumentary System
Verified step by step guidance
1
Identify the primary functions of each body system listed in the options.
Understand that the respiratory system is mainly responsible for gas exchange and not for regulating body temperature or producing vitamin D.
Recognize that the digestive system is primarily involved in the breakdown and absorption of nutrients, not in temperature regulation or vitamin D production.
Acknowledge that the circulatory system is responsible for transporting blood, nutrients, and waste products, but not directly involved in temperature regulation or vitamin D synthesis.
Learn that the integumentary system, which includes the skin, is responsible for regulating body temperature through sweat and blood flow, and produces vitamin D when exposed to sunlight.