Question

Body systems hierarchy quick check

Answer 1

[AI-generated answer — Bot GPT 3.5]

1. Organ systems (e.g. circulatory system, respiratory system)

2. Organs (e.g. heart, lungs)
3. Tissues (e.g. muscle tissue, epithelial tissue)
4. Cells (e.g. muscle cells, epithelial cells)
5. Organelles (e.g. mitochondria, nucleus)
6. Molecules (e.g. proteins, DNA)