Levels of Orginazation
There are 5 levels of organization.
-Cells: Gilal Cells
-Tissues: Nervous tissue
-Organs: brain, nerves, and spinal cord
-Organ system: nervous system
-Organisms: human beings
Cells-
Basic unit structure of living things
Tissues-
Made up of cells that are similar in structure and function and which work together to perform a specific activity
Organs-
Made up of tissues that work together to perform a specific activity (Examples - heart, brain, skin, etc.)
Organ System-
Groups of two or more tissues that work together to perform a specific function for the organism.
Organisms-
Entire living things that can carry out all basic life processes. Meaning they can take in materials, release energy from food, release wastes, grow, respond to the environment, and reproduce.
Video
http://www.youtube.com/watch?v=k9M5xDn2V3g&feature=plcp
-Cells: Gilal Cells
-Tissues: Nervous tissue
-Organs: brain, nerves, and spinal cord
-Organ system: nervous system
-Organisms: human beings
Cells-
Basic unit structure of living things
Tissues-
Made up of cells that are similar in structure and function and which work together to perform a specific activity
Organs-
Made up of tissues that work together to perform a specific activity (Examples - heart, brain, skin, etc.)
Organ System-
Groups of two or more tissues that work together to perform a specific function for the organism.
Organisms-
Entire living things that can carry out all basic life processes. Meaning they can take in materials, release energy from food, release wastes, grow, respond to the environment, and reproduce.
Video
http://www.youtube.com/watch?v=k9M5xDn2V3g&feature=plcp