Levels of Organisation
This level includes organs that work closely together
Body Systems or Organ Systems
The powerhouse of the cell
mitochondria
The tissue that includes skeletal, cardiac, and smooth
muscle
this organ pumps blood throughout the body
heart
your bones are part of this system
skeletal
This level in incudes two or more types of tissues
Organ
The control centre of the cell
nucleus
regulates and controls body functions
nervous
the largest organ; part of the integumentary system
skin
includes brain, spinal cord, and special senses
nervous
This level incluses groups of similar cells
Tissue
Includes the cytosol and the cellular organelles
cytoplasm
most abundant; includes connective tissue proper, cartilage, blood, and bone
connective
contraction of the diaphragm causes this paired organ to expand
lungs
kidneys are part of this system
urinary
This level includes cells and their organelles
cellular
Proteins are bound in vesicles to be transported to the golgi apparatus. Externally studded with ribosomes
rough endoplasmic reticulum
includes the classes simple, stratified, squamous cuboidal, columnar
epithelial
gastrocnemius, soleus, and biceps brachialis are all this organ type
skeletal muscle
the liver is part of this system
digestive
This level includes atoms and molecules
chemical
site of intracellular digestion
lysosome
covers all external surfaces, lines body cavities and organs, and forms the basis of certain glands
epithelial
this organ stores blood and destroys damaged and old blood cells
spleen
the pancreas is part of this system
endocrine