The 2-Minute Rule for human anatomy

The 2-Minute Rule for human anatomy

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The adult human skeleton generally contains 206 named bones. These bones is often grouped in two divisions: axial skeleton and appendicular skeleton.

Mind stem – region on the Grownup Mind that includes the midbrain, pons, and medulla oblongata and develops from your mesencephalon, metencephalon, and myelencephalon with the embryonic Mind.

brachiocephalic artery – solitary vessel Found on the proper aspect of the body; the initial vessel branching with the aortic arch; provides rise to the best subclavian artery and the ideal prevalent carotid artery; provides blood to the head, neck, upper limb, and wall on the thoracic location.

distal convoluted tubules – portions of the nephron distal on the loop of Henle that receive hyposmotic filtrate in the loop of Henle and vacant into gathering ducts.

corn – kind of callus that may be named for its condition and also the elliptical motion on the abrasive pressure.

Metabolism Anabolic reactions are creating reactions, plus they eat Electrical power. Catabolic reactions split supplies down and launch Strength. Metabolism features both of those anabolic and catabolic reactions.

brain – the large organ with the central anxious technique made up of white and gray matter, contained in the cranium and constant with the spinal wire.

cortex – in hair, the second or middle layer of keratinocytes originating with the hair matrix, as noticed in a cross-area of the hair bulb.

Cells, one example is, have a cell membrane (also more info often called the plasma membrane) that retains the intracellular atmosphere—the fluids and organelles—separate with the extracellular atmosphere. Blood vessels continue to keep blood inside a shut circulatory technique, and nerves and muscles are wrapped in connective tissue sheaths that individual them from surrounding constructions.

bronchial artery – systemic department from your aorta that gives oxygenated blood on the lungs in addition to the pulmonary circuit.

anulus fibrosus – challenging, fibrous outer part of an intervertebral disc, which happens to be strongly anchored towards the bodies on the adjacent vertebrae.

Responsiveness is the flexibility of more info an organism to adjust to alterations in its internal and external environments. An example of responsiveness to external stimuli could contain relocating toward sources of food stuff and water and away from perceived hazards.

ball-and-socket joint – synovial joint fashioned concerning the spherical close of 1 bone (the ball) that matches in to the despair of the second bone (the socket); located within the hip and shoulder joints; functionally categorized like a multiaxial joint.

atrioventricular septum – cardiac septum located concerning the atria and ventricles; atrioventricular valves are located right here.