the grion
every part of the body senses change, but if the question means which part senses first, the answer is the heart.
I think you are asking for the body part that identifies the messages of the senses; that's the brain.
The back part of the brain processes our raw senses. The back part of the brain takes these raw senses and performs association and analysis.
the part where your mom came from
The "retina".
Most nerve impulses from our senses are routed through the: Thalamus-
Senses are by which we experience our surroundings. Sight, hearing, taste, feel, smell. A bark is a sound.
nerves
yes it is. it is one of the 5 senses
somatic senses
The eyes sense light and images, the nose senses odors, the ears sense sound waves, the skin senses touch, temperature, and pain, and the tongue senses taste.
When you use your senses to obtain information, you are making an observation. This is a major part of science where you use your senses or the readings of instruments to directly acquire information from a primary source.