What component of the body gathers sensory input and delivers it to the brain?

• A. Sensory organs
• B. Digestive organs
• C. The heart and lungs
• D. Central nervous system

Answer: (A)

Gathering sensory information from the environment is done by sensory organs. These organs contain receptors that detect stimuli such as light, sound, touch, taste, and smells. When a receptor detects something, it converts that stimulus into a neural signal that travels through peripheral nerves to the brain, where it is interpreted as what you’re experiencing. Digestive organs handle digestion and nutrient processing, not sensing the outside world. The heart and lungs monitor internal conditions and help regulate bodily functions, but they aren’t the primary pathway for collecting sensory data. The central nervous system then takes the signals it receives from the sensory organs and processes them into perception.