Introduction to Human Physiology

📋 Course Outline

1. Homeostasis mechanisms
2. Stimulus-response pathway
3. Sensory receptors types
4. Nervous system components
5. Neuron structure and function
6. Types of neurons
7. Neural communication process
8. Reflex actions
9. Endocrine system functions
10. Hormones and target cells
11. Blood glucose regulation
12. Pathogens and microorganisms

📖 1. Homeostasis mechanisms

🔑 Key Concepts & Definitions

• Homeostasis (see source content): The process in which an organism maintains a stable internal environment despite changes in the external environment. The term "homeo" means "same," and "stasis" means "state."
• Blood glucose levels: The concentration of glucose in the blood, which is regulated to provide a constant supply of energy to cells.
• Negative feedback mechanism (see source content): A control system that counteracts a change in the body to restore stability, such as insulin lowering blood glucose levels when they are high.

📝 Essential Points