Select the most correct statement. the endocrine system is not a true structural organ system. organ systems operate independently of each other to maintain life. organ systems can be composed of cells or tissues, but not both. the immune system is closely associated with the lymphatic system.

The immune system is closely associated with the lymphatic system

Explanation:

The endocrine system is a organ system that produce and secrete hormones all over the body. All the organ systems are interconnected and depend on each other and can be composed of different types of cells and tissues. But is it true that the immune system is closely associated with the lymphatic system because the lymphatic system rid the body out of toxins.

its the cell wall and the they are unique to plant