| TAKS Objective | 2. The student will demonstrate an understanding of the organization of living systems. |
| Knowledge and Skill Statement | (10) Science Concepts. The student knows that, at all levels of nature, living systems are found within other living systems, each with its own boundary and limits. The student is expected to |
| Student Expectation |
(A) interpret the functions of systems in organisms including circulatory, digestive, nervous, endocrine, reproductive, integumentary, skeletal, respiratory, muscular, excretory, and immune. (B) compare the interrelationships of organ systems to each other and to the body as a whole. |