Levels that Organization

As have the right to be seen, anatomy deserve to be research studies in many ways, and at miscellaneous levels. Expertise the pecking order of these levels, provides context to the complexity of the human being organism. The most basic level of company (although very first year chemistry students would disagree) is the chemical level of organization. In ~ this level, simple atoms combine to kind relatively simple molecules. Because that example, carbon dioxide (CO2) is comprised of one carbon atom, and also two oxygen atoms, and also water (H2O) is consisted of of two hydrogen atoms and also one oxygen atom. Macromolecules (macro: big) are bigger and much more complex, and also include four key types in the human body; carbohydrate (sugars), lipids (fats), proteins and nucleic acids (DNA). These four macromolecules kind the structure blocks the the next level of organization: the cellular level. Cells room the smallest systems of life and are responsible for regulating their very own environment. The four macromolecules, communicate to complete complex tasks for the cell, prefer generating power (ATP) or producing muscle contractions (through the interaction of two protein complexes: actin and also myosin).

You are watching: Two or more tissues working together to perform functions is a(n)


*

The tissue level of organization consists of a group of cells that job-related together to attain one or more specific functions. There room only four distinct species of tissue in one adult human. Muscle organization is committed for contraction to create movement; neural tissue is dedicated for generating action potentials because that rapid communication within the body; epithelial tissue gives a physical barrier for entry into the body and produces dedicated secretions via glands; and also connective tissue mirrors the biggest variability of every one of the tissues, and forms lot of the framework of the human body (among numerous other things).


*

The organ level of organization is when two or much more tissues work-related together because that a specific function. Because that example, the bladder consists of an inside lining of epithelial tissue, bound by assorted connective tissues to (smooth) muscle. Throughout the bladder, there are likewise neurons that regulate the muscle organization directing it come contract or relax during the urination reflex.


*

The organ system level of company is as soon as two or much more organs work-related together for a particular function. The bladder mentioned, when linked with the kidney (another organ), and also the ureters (“tubes” connecting the kidney to the bladder, kind the urinary mechanism (or urinary tract). The kidney filter the blood, and the waist assets drain through the ureters to be stored in the bladder. The waist is eliminated from the body when we urinate.The urinary system is among the eleven body equipment that have the right to be examined utilizing systemic anatomy.

See more: Why Did Chili And Usher Break Up : Usher Was My 'First Real Love'


*

The most facility level of company is the organismal level, wherein all eleven body organ systems duty in the human being organism, the totality living person.