A. Directions: Read the following statements carefully. Fill in the blanks with the correct words or
terms to complete the statements.
1. The smallest unit of structure and function in a living thing is called_________

2. A tissue is a group of similar _______ working together .

3. An organ is a group of different_______ working together to do a job.

4. A group of different tissues working together to do a special job is called_______

5. Your heart and lungs are examples of_______

6. Many organs working together to a special job form a ________

7. Your skeleton is an example of an______

8. The job of the circulatory system is to bring _____ and _____ to all the cells in the body.​