Answer:
Excretion is a process by which metabolic waste is eliminated from an organism. In vertebrates this is primarily carried out by the lungs, kidneys and skin. This is in contrast with secretion, where the substance may have specific tasks after leaving the cell. Excretion is an essential process in all forms of life.
Explanation:
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Answer:
they are chambers located below the two atria.
the right ventricle receives deoxygenated blood whereas the left receives oxygenated blood which opens up into the aorta
Answer: Ascending colon, right colic flexure, transverse colon, left colic flexure, descending colon and sigmoid colon.
Explanation: The ascending colon is the second part of the large intestine and is located vertically; the transverse colon is the third part of the colon and is the most mobile and the longest, approximately 45 cm; the descending colon is the part of the large intestine that continues after the transverse colon down, it is the part of the large intestine in which stool accumulates and compacts; the sigmoid colon is the last portion of the large intestine and is characterized by the shape of the letter S. It measures approximately 40 centimeters and joins the descending colon with the rectum.
