Tissues
brain
Organ system
An Organelle is the organ of the cell
An organism is a single living entity, while an organ system is a group of organs that work together to perform a specific function within an organism. Organisms can be plants, animals, fungi, or microorganisms, while organ systems are found in multicellular organisms.
molecule - cell - organ
a cell is the basic unit of life, an organ is a group of cells working together, and an organism is a group of organs working together
brain
Hair cells are found in the skin.
nervous system
Mitochondria exists in every cell. It is an organelle, an organ of a cell.
Organ system
in every cell there is a nucleus,cell membrane and a cytoplasm
A gland is a cell, group of cells, or organ producing a secretion.
yes
Cell membrane is common to every cell.So it can be seen in every living cell.
Neurons
cells that do same job group together called tissue