Anatomy

Enrichment Questions

Instructions:  This is an honors level course. Answer all questions fully using complete sentences. If you want full credit, please provide plenty of details.

1.       How is the concept of homeostasis related to aging and disease?  Provide examples to support your thinking. Homeostasis causes the body to remain balanced and aging is not a factor, for example the flu causes illness or imbalance. The body works back to homeostasis. Or     

 homeostatic imbalance causes the body processes to slow down or weaken causing disease or even death. For example: A person may be diagnosed with cancer causing the body to weaken because cells are being destroyed. The body will never return to homeostasis.

2. When we are dehydrated, we are thirsty and drink water.  Is this part of negative or positive feedback control systems?  Explain your reasoning. When we are dehydrated, we become thirsty and drink water. This is part of the negative feedback control system.

3. Why would you have a hard time understanding physiology if you did not also understand anatomy? You would have a hard time understanding physiology without understanding anatomy because physiology is the study of how organisms are built and anatomy is what they are used for so they both relate to one another.

4. Describe the different body cavities. The cranial cavity holds the brain and all its functions. Dorsal cavity: Bones of the cranial portion of the skull and vertebral column, toward the dorsal side of the body. Cranial cavity: Contains the brain Spinal portion:Contains the spinal cord, which is an extension of the brainVentral cavity: Anterior surface of torso; divided by diaphragm muscle into upper thoracic cavity and abdominopelvic cavity.

5. Career Focus:  What does a dental hygienist do and why would he/she need to know anatomy and physiology? A dental hygienist removes soft and hard deposits from a patient's teeth, examines the gums and teeth to find the presence of...