Wordlist: Internal system - List 1
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a collection of tissues joined in a structural unit to serve a common function
a muscular organ that pumps blood through the body, traditionally thought to be the seat of emotion
the control centre of the central nervous system of a person or an animal located in the skull which is responsible for perception, cognition, attention, memory, emotion, and action
a biological organ that extracts oxygen from the air
a large organ in the body that stores and metabolizes nutrients, destroys toxins and produces bile, responsible for thousands of biochemical reactions
an organ which serves the body as a natural filter of the blood, and removes wastes which are diverted to the urinary bladder
the movement of the blood in the blood-vascular system, by which it is brought into close relations with almost every living elementary constituent
a vital liquid flowing in the body that usually conveys nutrients and oxygen, it is coloured red by hemoglobin and is conveyed by arteries and veins
the segment of the alimentary canal extending from the stomach to the anus and, in humans and other mammals, consists of two segments, the small intestine and the large intestine
a blood vessel that transports blood from the capillaries back to the heart
an efferent blood vessel from the heart, conveying blood away from the heart regardless of oxygenation status
an organ composed of muscle tissue, producing force and causing motion
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