cell

1. organelles

1.1. Lysosome

1.2. Plastid

1.3. ER

1.4. Mitochondria

1.5. Golgi body

1.6. Nuclues

1.7. Ribosome

1.8. Vacuole

2. Types

2.1. animal

2.1.1. RBC

2.1.2. Neuron

2.2. plant

2.2.1. Epidermis

2.2.2. Trichome

3. Tissues

3.1. Simple

3.1.1. Parenchyma

3.1.2. Sclerenchyma

3.1.3. collenchyma

3.2. Compound

3.2.1. animal

3.2.1.1. c.t

3.2.1.1.1. Peripheral

3.2.1.1.2. skeletal

3.2.1.1.3. Vascular

3.2.2. plant

3.2.2.1. xylem

3.2.2.2. phloem

4. Attempts

4.1. LeuWen hoek

4.2. Robert Hooke

4.3. Schilden

4.4. Verchow

4.5. ShcWann

5. Seen by

5.1. Microscopes

5.1.1. Light

5.1.2. Electron