cells building blocks of all things each has a special job the smallest level of organization
TRANSCRIPT
ASSEMBLY CELLS
• PUT TOGETHER IMPORTANT SUBSTANCES– HORMONES –
CHEMICAL MESSENGERS THAT REGULATE CERTAIN ACTIVITIES OF THE BODY
– ENZYMES – CHEMICALS THAT BREAK DOWN FOOD
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
EPITHELIAL TISSUE
• FORMS A PROTECTIVE SURFACE ON THE OUTSIDE OF THE BODY– SKIN
– CAVITIES OF THE MOUTH
– THROAT
– EARS
– STOMACH
ORGANS
DIFFERENT TYPES OF TISSUE COMBINE TO FORM ORGANS
EX: HEART – MUSCLE, EPITHELIAL, NERVE AND
CONNECTIVE TISSUES
3RD LEVEL OF ORGANIZATION