Anatomical Hierarchy of Complexity Flashcards by alianna jones | Brainscape

Q

Define an Atom:

A

The smallest unit of matter

Ex: Carbon, Hydrogen, Oxygen

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Q

Define a Molecule:

A

Particles composed of at least 2 atoms

Ex: CO2, H2O

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Q

Define a Macromolecule/Compound:

A

Large complex molecule

Ex: DNA, Protein, Lipid

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Q

Define Organelles:

A

Structures in cells that carry out different roles

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Q

Define Cells:

A

The smallest unit of LIFE

Ex: erthrocyte, osteoblast, neuron

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Q

Define Tissue

A

Groups of similar cells that perform a function

Ex: Blood cells, Nerve cells

Ex: Muscule Tissue, Nerve Tissue

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Q

Define Organ System:

A

Groups of organs w/ a collective function

Ex:Digestive system
Stomach
Pancreas
Intestines

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Q

Define organ;

A

Composed of 2 or more tissue types

Ex: Heart, Lungs,Brain

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Q

Define Organism:

A

Individual, animal, plant, single-cell life form

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