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Questions and Answers
What are the basic structural and functional units of life in the human body?
What is the main function of the circulatory system?
How many major systems are there in the human body?
What is the name of the cavity that contains the brain?
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What is the function of the immune system?
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What is the name of the system that controls and coordinates body functions?
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Study Notes
Structure of the Body
- The human body is composed of several systems that work together to maintain homeostasis and ensure the body's overall function.
- The body is made up of:
- Cells: the basic structural and functional units of life
- Tissues: groups of similar cells that perform a specific function
- Organs: structures made up of two or more types of tissues that work together to perform a specific function
- Systems: groups of organs that work together to maintain a specific function
Body Cavities
- The body has several cavities that contain and protect internal organs:
- Cranial cavity: contains the brain
- Thoracic cavity: contains the heart, lungs, and major blood vessels
- Abdominal cavity: contains the digestive organs
- Pelvic cavity: contains the reproductive organs
Body Systems
- There are 11 major systems in the human body:
- Nervous system: controls and coordinates body functions
- Circulatory system: transports oxygen and nutrients to cells
- Respiratory system: brings oxygen into the body and removes carbon dioxide
- Digestive system: breaks down food into nutrients
- Endocrine system: produces hormones that regulate various body functions
- Immune system: protects the body against disease and infection
- Integumentary system: protects the body from external damage
- Muscular system: allows for movement and locomotion
- Skeletal system: provides support and protection for the body
- Urinary system: removes waste and excess fluids from the body
- Reproductive system: produces sex cells and supports the development of a fetus during pregnancy
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Description
Learn about the different systems in the human body, including the nervous, circulatory, respiratory, and more. Understand how each system works together to maintain overall body function.
