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Levels of Organization
Organs and Their Fucntions
Main Functions of Human Body Systems
Systems That Work Together
Vocabulary
100
What are the levels of organization from the smallest to the largest? (5 levels)
cell, tissue, organ, system, organism
100
These muscles attach to your skeleton and allow you to move.
What are skeletal muscles?
100
This system breaks down food into usable materials.
What is the digestive system?
100
These two system work together to allow the body to move.
What is the skeletal and muscular system?
100
The ability of the body to maintain internal conditions. (Examples - temperature and blood sugar)
What is homeostasis?
200
The smallest stable matter in creation
What is an atom?
200
Air enters your body through this.
What is your nose or mouth?
200
This system fights of pathogens.
What is the immune system?
200
These two systems work together to protect your body from pathogens.
What is the (name 2) digestive system, the respiratory system, and the integumentary system?
200
These are wavelike contractions of smooth muscles that move materials through your digestive system.
What is peristalsis?
300
All life forms contain ___ ____ ____ (initials)
What is a DNA?
300
Villi absorb nutrients in this organ.
What is the small intestine?
300
This system allows the body to respond to environmental stimuli.
What is the nervous system?
300
This system works with the five senses to respond to external stimuli.
What is the nervous system?
300
Another name for liquid waste
What is urine?
400
How are cells and tissues related?
A tissue is a made up of a group of cells.
400
This organ stores bile.
What is the gallbladder?
400
This system protects the internal organs of the body?
What is the skeletal system?
400
These two of the systems that work together to make cellular respiration possible.
What is the (name 2) digestive system, the respiratory system, and the circulatory system.
400
A disease causing agent
What is a pathogen?
500
What is one type of cell that you can find in your body?
Examples - Red blood cells, white blood cells
500
Water is absorbed into the body in this organ.
What is the large intestine?
500
This system functions to get oxygen from the environment and remove carbon dioxide from your body.
What is the respiratory system?
500
These two systems work together to eliminate waste from the body.
What is urinary and digestive system?
500
The thick, protective outer layer of the skin.
What is the epidermis?