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Questions and Answers
What is the basic unit of all organisms?
What is the basic unit of all organisms?
Which body system is responsible for circulating blood throughout the body?
Which body system is responsible for circulating blood throughout the body?
What forms tissues in animal body organization?
What forms tissues in animal body organization?
Which organ is mentioned as part of the circulatory system?
Which organ is mentioned as part of the circulatory system?
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What is the most complex level of organization in the human body?
What is the most complex level of organization in the human body?
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Which body system is considered the most important for survival?
Which body system is considered the most important for survival?
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Study Notes
Organization of Living Things
- Both plants and animals are made up of tiny structures called cells, which are the basic unit of all organisms.
Organization of Animals
- Cells form tissues
- Tissues form organs
- Organs form organ systems, which are the most complex organization in the body.
Organ Systems
- An organ system is a group of organs that work together to perform complex functions necessary for survival.
- Examples of organ systems include the nervous system, circulatory system, and digestive system.
- Each organ system consists of multiple organs, such as the heart in the circulatory system.
- Organs are composed of specific cells or tissues with different functions.
- Organ systems do not exist as individual units, but rather work together to form the body.
Body Systems
- The human body is composed of several organ systems that work together as one unit.
- Examples of body systems include the skeletal system, circulatory system, and digestive system.
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Description
Learn about the organization of plants and animals, from cells to organ systems. Understand how cells form tissues, tissues form organs, and organs form organ systems.
