In: Anatomy and Physiology
Structural levels of the body includes
Atoms
Molecules
Macromolecules
Organelles
Cell
Tissue
Oragan
Organ system
Organism.
Atomic level;
These are the smallest units of an element.they have the properties of elements.examples carbon ,hydrogen and oxygen.
Molecular level;
Atoms combine to form molecules . Molecules have properties differ from atoms.molecules inculde water, carbohydrates, DNA etc.
Macromolecular level
All the molecule combine to form macromolecules
Organelles level
Macromoleculaes form organelles that are nucleus , mitochondria etc.
Cellular level
Cells are smallest unit of life .cells are enclosed by cell membrane.They do specific functions.examples include muscle cell ,neuron cell etc.
Tissue level
Tissues are group of cells with similar function.
Muscles cells group to form muscle tissue.
Oragan level
In this two or more types of tissue that work together to complete a specific function.
Eg stomach - digestion
Organ systems level
It is group of organs that carries out more generalised set of functions.
Eg ;Digestive system
Organism level
Organism has several organs systems that function together. That is human.