Max Schultze in 1861 proposed the "Protoplasm Doctrine" which states that all living cells are made of a living substance called Protoplasm. ... The cell was a container for protoplasm, the fundamental and universal material substance of life.

What is human protoplasm?

Protoplasm (/prəʊtə(ʊ)ˌplaz(ə)m/, plural protoplasms) is the living part of a cell that is surrounded by a plasma membrane. In some definitions, it is a general term for the cytoplasm (e.g., Mohl, 1846), but for others, it also includes the nucleoplasm (e.g., Strasburger, 1882).

Why is protoplasm called living?

nucleus acts as the boss of cell,helps in cell division, makes proteins,etc. cytoplasm contains cell organelles and cell membrane allows entry and exit of materials.so protoplasm is called'living part of the cell'. it performs funtions cell wall found in plants is dead part.