- 1- Evolution Connection: An animal’s form is not the perfect design
- 2- Structure fits function at all levels of organization in the animal body
- 3- Tissues are groups of cells with a common structure and function
- 4- Epithelial tissue covers the body and lines its organs and cavities
- 5- Connective tissue binds and supports other tissues
- 6- Muscle tissue functions in movement
- 7- Nervous tissue forms a communication network