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symone
Anatomy weeks 1-5
| Question | Answer |
|---|---|
| What is anatomy? | The study of the structure and relationships between body parts. |
| What is physiology? | The study of how the body and its parts function. |
| What is homeostasis? | The body’s ability to maintain a stable internal environment despite external changes. |
| What are the six levels of structural organization? | Chemical, cellular, tissue, organ, organ system, organism. |
| What are the major body cavities? | Dorsal cavity (cranial and spinal) and ventral cavity (thoracic and abdominopelvic). |
| What are the three main body planes? | Sagittal (left/right), frontal or coronal (front/back), and transverse (top/bottom). |
| What are the four types of tissues? | Epithelial, connective, muscle, and nervous tissue. |
| What are the three types of muscle tissue? | Skeletal (voluntary), smooth (involuntary), and cardiac (involuntary). |
| What is the function of epithelial tissue? | Covers body surfaces, lines cavities, and forms glands for protection and secretion. |
| What is connective tissue? | Tissue that supports, binds, and protects other tissues and organs |
| What are the layers of the skin? | Epidermis, dermis, and subcutaneous layer (hypodermis). |
| What is the main function of the integumentary system? | Protection, temperature regulation, and prevention of dehydration. |
| What are the two main body fluids? | Intracellular (inside cells) and extracellular (outside cells). |
| What are the main functions of the skeletal system? | Intracellular (inside cells) and extracellular (outside cells). |
| What are the main functions of the skeletal system? | Support, protection, movement, blood cell formation, and mineral storage. |
| What is the basic unit of structure and function in the body? | The cell. |
| What organelle is known as the “powerhouse” of the cell? | Mitochondria, because it produces ATP (energy) |
| What does the plasma membrane do? | Controls what enters and leaves the cell and maintains the cell’s integrity. |
| What are the four main types of bones? | Long, short, flat, and irregular bones. |
| What are the five functions of bones? | Support, protection, movement, mineral storage, and blood cell production. |
| What is the function of the muscular system? | Movement, posture, and heat production. |
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symonew
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