Organ Systems and Homeostasis Flashcards
What is homeostasis? Why do organisms need to maintain homeostasis?
Process in which stable set of internal conditions are maintained - necessary to ensure cells can perform functions efficiently
What are some examples of things the body regulates?
Temperature
pH level
Water levels
Blood glucose levels
Blood sodium levels
Why does having specialized organs and systems help us maintain homeostasis?
To maximize efficiency. Multicellular organisms are complex and have complex needs that can’t be addressed with just one type of organ
What is disease? What are some of the causes of disease? How does disease relate to homeostasis?
Condition impairing the functioning of a part or whole body disrupting homeostasis
External causes: virus, bacteria, parasites, fungi
Internal: Genetic disorders, malnutrition
What does the pancreas do?
Aids in digestion and produces insulin
What is insulin? What is its role in maintaining homeostasis?
A hormone that regulates blood sugar levels