cell

1. Lysosome

2. organelles

2.1. Plastid

2.2. ER

2.3. Mitochondria

2.4. Golgi body

2.5. Nuclues

2.6. Ribosome

2.7. Vacuole

3. Types

3.1. animal

3.1.1. RBC

3.1.2. Neuron

3.2. plant

3.2.1. Epidermis

3.2.2. Trichome

4. Tissues

4.1. Simple

4.1.1. Parenchyma

4.1.2. Sclerenchyma

4.1.3. collenchyma

4.2. Compound

5. Seen by

5.1. Microscopes

5.1.1. Light

5.1.2. Electron