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Questions and Answers
What does the term 'anatomy' refer to?
What does the term 'anatomy' refer to?
- The Greek word for cut (correct)
- The simplest level of structural organization
- The study of how the body works
- The relationship between body parts (correct)
Physiology is the study of how the body works.
Physiology is the study of how the body works.
True (A)
What is the simplest level of structural organization?
What is the simplest level of structural organization?
Chemical Level
What are cells made up of?
What are cells made up of?
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The four basic types of tissue are epithelial, connective, muscular, and _____ .
The four basic types of tissue are epithelial, connective, muscular, and _____ .
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What level of structural organization is composed of two or more tissue types?
What level of structural organization is composed of two or more tissue types?
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Which of the following is NOT one of the 11 organ systems?
Which of the following is NOT one of the 11 organ systems?
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Which organ system includes the skin, hair, and nails?
Which organ system includes the skin, hair, and nails?
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Study Notes
Levels of Structural Organization
- Anatomy, derived from Greek meaning "to cut apart," concerns the structure and shape of the body and the relationship between body parts.
- Physiology, from Greek "physio" (nature) and "ology" (study), refers to how the body's systems operate.
- Levels of organization begin at the Chemical Level, where atoms combine to form molecules like water, sugar, and proteins.
- Cellular Level: Molecules form cells, the smallest units of living things, which vary in size and shape and combine to create different tissues.
- Tissue Level: Comprises groups of similar cells working together for a common function, categorized into four basic types:
- Epithelial
- Connective
- Muscular
- Nervous
- Organ Level: Features two or more tissue types working together to perform specific functions.
- Organ System Level: Groups of organs collaborate to achieve common purposes, including systems like the digestive, nervous, and cardiovascular systems.
- Organismal Level: Represents the highest form of structural organization in the body.
Types of Anatomy
- Gross Anatomy: Examines large, easily observable structures without magnification.
- Microscopic Anatomy: Focuses on structures that require magnification, studied through lenses or microscopes.
The 11 Organ Systems
- Integumentary System: Comprises skin, hair, and nails; provides external body covering, protects deeper tissues, synthesizes vitamin D, and regulates body temperature.
- Endocrine System: Includes glands like the pituitary, thyroid, and adrenal glands; serves as a slow-acting control system through hormone secretion for processes such as growth and reproduction.
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