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Questions and Answers
What is the basic structural and functional unit of an organism?
What is the basic structural and functional unit of an organism?
Which system is responsible for eliminating nitrogenous wastes and excess ions from the body?
Which system is responsible for eliminating nitrogenous wastes and excess ions from the body?
Which structures are composed of two or more different types of tissues, with all 4 basic tissues represented?
Which structures are composed of two or more different types of tissues, with all 4 basic tissues represented?
What is the function of the cardiovascular system?
What is the function of the cardiovascular system?
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Which system takes in nutrients, breaks them down, and eliminates unabsorbed matter (feces)?
Which system takes in nutrients, breaks them down, and eliminates unabsorbed matter (feces)?
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What are the products of protein metabolism that are eliminated by the urinary system?
What are the products of protein metabolism that are eliminated by the urinary system?
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______ is the study of nerve cells
______ is the study of nerve cells
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______ is the study of how hormones control body functions
______ is the study of how hormones control body functions
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______ is the study of changes in cell and organ functions due to muscular activity
______ is the study of changes in cell and organ functions due to muscular activity
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______ is the functional changes associated with disease and aging
______ is the functional changes associated with disease and aging
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The ____________ system takes in oxygen and eliminates carbon dioxide
The ____________ system takes in oxygen and eliminates carbon dioxide
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The ____________ system distributes oxygen and nutrients to all body cells and delivers wastes and carbon dioxide to disposal organs
The ____________ system distributes oxygen and nutrients to all body cells and delivers wastes and carbon dioxide to disposal organs
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The ____________ system eliminates nitrogenous wastes and excess ions
The ____________ system eliminates nitrogenous wastes and excess ions
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__________ - filters toxic substances
__________ - filters toxic substances
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The small intestine consists of the Duodenum, Jejunum, and ____________
The small intestine consists of the Duodenum, Jejunum, and ____________
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Lub - contraction; Dub - ____________ (Heart circulation)
Lub - contraction; Dub - ____________ (Heart circulation)
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The ability to sense and respond to stimuli is called ____________
The ability to sense and respond to stimuli is called ____________
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The increase in size of a body part or organism is known as ____________
The increase in size of a body part or organism is known as ____________
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Cellular division for growth or repair is known as ____________
Cellular division for growth or repair is known as ____________
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Development of a cell from unspecialized to specialized state is called ____________
Development of a cell from unspecialized to specialized state is called ____________
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Study Notes
Basic Biological Units and Systems
- The basic structural and functional unit of an organism is the cell.
- The urinary system is responsible for eliminating nitrogenous wastes and excess ions from the body.
- Organs are composed of two or more different types of tissues, with all four basic tissues represented: epithelial, connective, muscle, and nervous tissue.
Functions of Major Body Systems
- The cardiovascular system's primary function is to distribute oxygen and nutrients to all body cells while delivering wastes and carbon dioxide to disposal organs.
- The digestive system takes in nutrients, breaks them down, and eliminates unabsorbed matter as feces.
Metabolism and Waste
- Products of protein metabolism that are eliminated by the urinary system include urea, creatinine, and uric acid.
Fields of Study
- Neurobiology is the study of nerve cells.
- Endocrinology focuses on how hormones control body functions.
- Kinesiology studies changes in cell and organ functions due to muscular activity.
- Pathophysiology examines functional changes associated with disease and aging.
Respiratory and Excretory Functions
- The respiratory system takes in oxygen and eliminates carbon dioxide.
- The urinary system eliminates nitrogenous wastes and excess ions.
- The liver filters toxic substances from the blood.
Digestive Anatomy
- The small intestine consists of the Duodenum, Jejunum, and Ileum.
Cardiac Cycle
- The heart sounds are often described as "Lub" for contraction and "Dub" for the relaxation phase in the cardiac cycle.
Biological Responses
- The ability to sense and respond to stimuli is termed responsiveness.
- The increase in size of a body part or organism is known as growth.
- Cellular division for growth or repair is termed mitosis.
- The development of a cell from an unspecialized to a specialized state is called differentiation.
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Description
Test your knowledge about the levels of biological organization, from atoms and molecules to cells, tissues, organs, and organ systems. Learn about the basic structural and functional units of organisms and how different levels work together.
