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Questions and Answers
What is the scientific discipline that investigates the body's structures?
What is the scientific discipline that investigates the body's structures?
Anatomy
What does the word 'anatomy' mean?
What does the word 'anatomy' mean?
To dissect or cut apart
Which of the following is NOT a branch of anatomy?
Which of the following is NOT a branch of anatomy?
What is the science of body functions?
What is the science of body functions?
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What is the basic structural and functional unit of all living organisms?
What is the basic structural and functional unit of all living organisms?
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What term refers to the groups of similar cells?
What term refers to the groups of similar cells?
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What are the four basic types of tissues?
What are the four basic types of tissues?
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What are organs composed of?
What are organs composed of?
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What do you call a living thing considered as a whole?
What do you call a living thing considered as a whole?
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What are the two types of metabolism?
What are the two types of metabolism?
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What ability does responsiveness refer to in living organisms?
What ability does responsiveness refer to in living organisms?
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What is an example of movement in the human body?
What is an example of movement in the human body?
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What does growth in organisms refer to?
What does growth in organisms refer to?
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What involves cell division and fertilization?
What involves cell division and fertilization?
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What is homeostasis?
What is homeostasis?
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Which organ systems are primarily involved in homeostasis?
Which organ systems are primarily involved in homeostasis?
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Study Notes
Introduction to Human Body
- Anatomy investigates the body's structures, derived from the Greek word meaning "to dissect."
- Dissection allows for studying relationships between different body structures.
Levels and Branches of Anatomy
- Embryology Anatomy: Studies development during embryonic stages.
- Developmental Anatomy: Explores structural changes throughout growth.
- Cell Biology: Focuses on cellular structures and functions.
- Histology: Examines microscopic tissues.
- Gross Anatomy: Investigates structures visible to the naked eye.
- Systemic Anatomy: Studies organ systems and their interrelations.
- Regional Anatomy: Looks at specific regions of the body.
- Surface Anatomy: Examines external features related to deeper structures.
- Imaging Anatomy: Utilizes imaging techniques for anatomical study.
- Pathological Anatomy: Investigates structural changes due to disease.
Physiology
- Physiology is the science of body functions, focusing on processes in living organisms.
- Emphasizes that functions often require understanding entire systems rather than isolated regions.
Levels and Branches of Physiology
- Neurophysiology: Studies the nervous system functions.
- Endocrinology: Focuses on hormones and endocrine system.
- Cardiovascular Physiology: Investigates heart and blood vessel functions.
- Immunology: Examines immune system operations.
- Respiratory Physiology: Studies breathing mechanisms.
- Exercise Physiology: Looks at body responses to physical activity.
- Pathophysiology: Investigates dysfunctional processes in diseases.
Pathology
- Pathology involves studying diseases and their effects on body structures and functions.
Structural Organization of Human Body
- Chemical Level: Involves atoms and molecules.
- Cell Level: Cells are the basic structural and functional units of life; organelles perform specific functions within cells.
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Tissue Level: Groups of similar cells form four basic tissue types:
- Epithelial
- Connective
- Muscle
- Nervous
- Organ Level: Composed of two or more tissues, having a specific form and function.
- Organ System Level: Groups of organs working together to perform complex functions.
Major Organ Systems
- Integumentary, Skeletal, Muscular, Nervous, Endocrine, Cardiovascular, Lymphatic, Respiratory, Digestive, Urinary, and Reproductive systems.
Characteristics of Life
- Organization: Interrelationships among body parts and their functions.
- Metabolism: All chemical reactions within cells; includes catabolism (breaking down) and anabolism (building up).
- Responsiveness: Ability to sense and react to changes in the environment.
- Movement: Includes motion of body, organs, cells, and structures within cells.
- Growth: Increase in size or cell number, leading to organism enlargement.
- Development: Changes from fertilization to death; involves differentiation and morphogenesis.
- Reproduction: Cell division and fertilization processes.
Homeostasis
- Homeostasis maintains a stable internal environment despite external changes.
- Equilibrium is achieved through various regulatory processes, with an ideal normal value known as a set point.
- Body fluids, including intracellular fluid (ICF) and extracellular fluid (ECF), play vital roles in maintaining homeostasis.
- Nervous and endocrine systems are primarily involved in controlling homeostasis.
Assignments and Questions
- Provide three specific examples of extracellular fluid (ECF).
- Identify organ systems involved in homeostasis control.
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Description
This quiz covers the fundamental concepts of anatomy and physiology, focusing on the structure of the human body. Understand the history and importance of dissection while exploring different branches of anatomy. Perfect for students beginning their studies in this vital scientific discipline.
