3. CELLS BUILDING BLOCKS OF ALL THINGS EACH HAS A SPECIAL JOB THE SMALLEST LEVEL OF ORGANIZATION

4. ABSORBING CELLS ABSORB THINGS

5. ASSEMBLY CELLS PUT TOGETHER IMPORTANT SUBSTANCES –HORMONES – CHEMICAL MESSENGERS THAT REGULATE CERTAIN ACTIVITIES OF THE BODY –ENZYMES – CHEMICALS THAT BREAK DOWN FOOD

6. CELLS FOR MOVEMENT MUSCLE CELLS

7. TISSUES GROUP OF SIMILAR CELLS DOING THE SAME THING 2ND LEVEL OF ORGANIZATION

8. MUSCLE TISSUE BY CONTRACTING AND PULLING ON BONES – MAKES BODY MOVE LINE WALLS OF STRUCTURES INSIDE BODY FOUND IN THE HEART – ENABLES IT TO PUMP

9. CONNECTIVE TISSUE PROVIDES SUPPORT FOR THE BODY –BONE –BLOOD –FAT

10. NERVE TISSUE CARRIES MESSAGES BACK AND FORTH BETWEEN BRAIN AND SPINAL CORD AND THE REST OF THE BODY

11. EPITHELIAL TISSUE FORMS A PROTECTIVE SURFACE ON THE OUTSIDE OF THE BODY –SKIN –CAVITIES OF THE MOUTH –THROAT –EARS –STOMACH

12. ORGANS DIFFERENT TYPES OF TISSUE COMBINE TO FORM ORGANS EX: HEART – MUSCLE, EPITHELIAL, NERVE AND CONNECTIVE TISSUES 3RD LEVEL OF ORGANIZATION

13. ORGAN SYSTEM A GROUP OF ORGANS THAT WORK TOGETHER 4 th LEVEL OF ORGANIZATION NO SYSTEM WORKS ALONE –CIRCULATORY SYSTEM BRINGS FOOD AND OXYGEN TO THE BODY AND REMOVES WASTE