Answer:
Organ or B
Step-by-step explanation:
A tissue can be represented by your muscles, they aren't organs.
An organ is like your appendix, kidneys, heart, brain, ect.
An organism is something like a human, dog, cat, bird.
An organ system is like your cardiovascular/vascular/circulatory system or respiratory system where the prior is the blood circulation sort of systems and the former is your breathing system like your lungs, mouth, ect.
The Lymphatic System is just a system that involves lymph nodes and other lymphatic things.
edge 2021