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write a definition for cell, tissue, organ, and organ system. Give an example of each of these in your body.

Sagot :

Answer:

Cell- the smallest unit of an organism, typically microscopic.

Example: Stem cell, muscle cell, and or bone cell.

Tissue- any of the distinct types of material of which animals or plants are made, consisting of specialized cells and their products.

Example: Connective tissue, epithelial tissue, muscle tissue, and or nervous tissue.

Organ- a part of an organism that is typically self-contained and has a specific vital function, such as the heart or liver in humans.

Example: heart, lungs, liver, eyes, and or stomach.

Organ system- a group of organs that work together as a biological system to perform one or more functions.

Example: Skeletal system, muscular system, circulatory system, respiratory system, digestive system, urinary system, and or immune system.