Levels of structural organization in the human body

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Levels of structural organization in the human body.

1.) Chemical Level
2.) Cellular level
3.) Tissue level
4.) Organ level
5.) System level
6.) Organismal level

Chemical level

1. Basic level, includes atoms and molecules.
2.) essential atoms for maintaining life. C, H, O, N, P, Ca, A.
3.) Two essential molecules
a. DNA
b. Glucose

Cellular level

1.)Molecules combine to form cells.
2.) Muscle cells, nerve cells, and epithelial cells

Tissue level

1.)Tissues are groups of cells and the material sourounding them that work together to perform funtions

2.) Epithelial tissue, connective tissue, muscular tissue

Epithelial tissue

covers body surfaces, lines hollow organs and cavities., and forms glands.

Connective tissue

connects, supports, and protects body organs while distributing blood vessels to other tissues.

Muscular tissue

contracts to make body parts move and generates heat.

Nervous tissue

carries information from one parto of the body to another through nerve impulses.

Organ level

tissues joined together. sturctures that are composed of two or more tissue. specific function and shape.

Stomach, skin, bones, heart, liver, lungs, and brain.

System level

consist of related organs

digestive system,

Organismal level

An organism, any living individual. All the human body functioning together .

Body Systems

Integumentary system
Skeletal System,
Muscular system
Nervous system
endocrine system
cardiovasular system.
lymphatic system and immunity
respiratory system
digestive system.
urinary system.
reproductive system

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