Just before 1200 hours on an extremely hot summer day, you are sent to the home of a 74-year-old woman. She called 9-1-1 saying she was feeling weak. She tells you she was working in her garden for a...

Just before 1200 hours on an extremely hot summer day, you are sent to the home of a 74-year-old woman. She called 9-1-1 saying she was feeling weak. She tells you she was working in her garden for a couple of hours this morning, felt tired, and came back into her house about 2 hours ago. She states she felt weak and has not had much to eat or drink since she came back into her house. Her skin feels cool to your touch.

1. Why is it important to know how a person’s body systems change in response to aging?

2. What part of the body helps regulate temperature?