The heart, blood vessels, and blood help to regulate body temperature.
Because humans have five senses: feel, see, taste, hear, and smell. When you step on a nail you basically going to feel it and you brain can sense that and it can trigger nerves which can cause pain.
Conduction cooking<span> is the </span>process<span> of </span>heat<span> being</span>transferred<span> between objects through </span><span>direct contact</span>
D is the answer due to lack of knowledge and accessibility
