The document discusses different levels of organization in the human body from cells to organ systems. It begins by asking students to list examples of cells, tissues, organs, organ systems, and organisms. It then provides more details on cells as the building blocks of life and examples of cell organelles. The document defines tissues as groups of similar cells, organs as structures made of different tissue types, and organ systems as groups of organs that perform major functions like the integumentary, skeletal, and respiratory systems.

1. Human Body Day 1: Levels of Organization & What is Health? Mr. Schriner KMS

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

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

4. Levels of Organization Cell Tissue Organ Organ System Organism

5. Levels of Organization With your group list examples of each Cell Tissue Organ Organ System Organism

6. 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

7. Levels of Organization – Cells (Organelles) Cell membrane- semi-permeable Nucleus- control center of cell Cytoplasm- inside Mitochondrion- power center

8. Levels of Organization - Tissues Tissues –group of similar cells that perform the same function

9. Levels of Organization - Organs Organs – structure made of different types of tissues

10. 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

11. Levels of Organization – Organisms Organisms – the human body