6 Questions
What is the process by which cells release substances from vesicles into the extracellular space?
Exocytosis
Which step comes first in the process of homeostasis?
Receptors
What does the term 'Homo' mean in the context of homeostasis?
Similar
What is the role of the nucleus in a cell?
Protein synthesis and genetic blueprint
In what type of feedback does the body adapt to changes?
Positive feedback
What is the definition of pathophysiology?
Abnormal functioning of the body
Study Notes
Cellular Transport
- Exocytosis is the process by which cells release substances from vesicles into the extracellular space.
Homeostasis
- The first step in the process of homeostasis is the detection of a change in the internal environment.
- The term 'Homo' in the context of homeostasis means 'same' or 'unchanging'.
- Homeostasis involves the body's ability to maintain a stable internal environment despite changes in the external environment.
Cellular Structure and Function
- The nucleus plays a crucial role in a cell as it contains the cell's genetic material and controls cell growth and reproduction.
Feedback Mechanisms
- The body adapts to changes through negative feedback mechanisms, where the response to a stimulus reverses or reduces the stimulus.
Pathophysiology
- Pathophysiology is the study of changes in normal bodily functions that result from disease or injury.
Test your knowledge of the basics of physiology with a focus on the simplest form of life, homeostasis, positive and negative feedback, and pathophysiology. Learn about genetic disorders like cystic fibrosis and more.
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