1. AMOCTOBSO & SYSTEMS MH: 86 – 89 & 96

2. AMOCTOBSO  Animals are made up of specialized cells working together as systems CellsTissuesOrgansBody systemsOrganism

3. AMOCTOBSO  Systems of systems make up whole organisms... Cells Organelles Molecules Atoms Tissues Organs Body/Organ Systems Organism

4. The 4 main animal tissues… 1. Epithelial  body/internal organ covering 2. Muscle  act by shortening/lengthening 3. Nervous  coordinate body actions 4. Connective  supports, protects or connects cells/tissues

5. The 4 main animal tissues…

6. Connections among body systems  Organ systems that coordinate communication 1. Nervous system detects and responds to ex/internal stimuli 2. Endocrine system secretes hormones which affect development and reproduction

7. Connections among body systems  Organ systems that support and move the body 3. Skeletal system protects organs and supports tissues 4. Muscular system necessary for movement

8. Connections among body systems  Organ systems that protect the body 5. Urinary system excretes waste & keeps blood pressure balanced

9. Connections among body systems  Organ systems that protect the body 6. Integumentary system physical barriers for protection

10. Connections among body systems  Organ systems that protect the body 7. Immune system protects from infection

11. Connections among body systems  Organ system that procreates 8. Reproductive system makes subsequent generations

12.  Organ systems that acquire energy 9. Respiratory system exchanges O 2 and CO 2 10. Circulatory system Transports substances 11. Digestive system breaks down food The Big 3...

13. Body Worlds...  MH: 92  #1 – 6, 8