Answer:
The stimulus is the temperature of the air. Sensory receptors in the skin send signals to the brain that the temperature is cold. Motor neurons stimulate muscle cells so that Dina can move to put on her coat.
Step-by-step explanation:
Thermoreceptors are free nerve endings that reside in the skin, liver, and skeletal muscles, and in the hypothalamus
What is hypothalamus
The hypothalamus is an area of the brain that produces hormones that control: Body temperature. Heart rate. Hunger. it is a structure deep within your brain. It's the main link between your endocrine system and your nervous system.