Cells & Levels of Organization

Human Body Day 1: Levels of Organization & What is Health?

Mr. Schriner

KMS

Starter

On post-it notes list as many words that you can think of that relate to health or disease.

Starter

Place your post-it notes on the continuum where you think it fits between health and disease.

Levels of Organization

CellTissueOrganOrgan SystemOrganism

Levels of Organization

With your group list examples of each Cell Tissue Organ Organ System Organism

Levels of Organization - Cells

Building block of all life

Human body ~ 100 Trillion Cells

http://www.cellsalive.com/howbig.htm

http://www.ibiblio.org/virtualcell/tour/cell/cell.htm

Levels of Organization – Cells (Organelles)

Cell membrane- semi-permeable

Nucleus- control center of cell

Cytoplasm- inside Mitochondrion-

power center

Levels of Organization - Tissues

Tissues –group of similar cells that perform the same function

Levels of Organization - Organs

Organs – structure made of different types of tissues

Levels of Organization – Organ Systems

Organ Systems – groups of organs that perform a major function Integumentary (skin) Skeletal Muscle Nervous Respiratory Circulatory Digestive Endocrine Excretory Immune Reproductive

Levels of Organization – Organisms

Organisms – the human body