Answer:
46. Cell- C. the most basic unit of life
47. Tissue- E. groups of similar cells performing the same function
48. Organ- B. groups of similar tissues performing the same function
49. Organ System- A. groups of organs working together
50. Organism- D. groups of organ systems working together
Step-by-step explanation:
The smallest unit of organization is the cell. The next largest unit of organization in your body is tissue. A tissue is a group of similar cells that perform the same function. An organ is a structure that is composed of different kinds of tissue. Each organ in your body is part of an organ system which is a group of organs that work together to perform a major function.