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The human body (Organ systems (Skeletal (structure & support - bones),…
The human body
Organ systems
Group of organs that work together to carry out complex functions
Skeletal
structure & support - bones
Muscular
cells contract for movement
Digestive
break down food and get nutrients to cells
Respiratory
exchange O2 and CO2
Circulatory
deliver gases and nutrients via the bloodstream
Nervous
controls body activities through nerves
Lymphatic
help defend against disease
Endocrine
hormones or growth
Integumentary
protection from outside harm, lining of digestive tract
Cells
most basic unit of structure and function in the body
Cell Specialization
when cells have a specific job or role in the human body
Cell Differentiation
the process of becoming specialized
Stem Cells
cells that can give rise to different specialized cells
Totipotent Stem Cells
Can become any type of cell in the body and potentially develop into an entire organism.
Tissue
groups of connected cells that have a similar function
Connective tissue
cells that form the body's structure
Epithelial tissue
lining of the inner and outer body surfaces
Muscle Tissue
Cells that can contract
Nervous Tissue
neurons that carry electrical signals
Organs
2 or more types of tissues doing the same job