Answer:
Variation explains the difference in traits between all living organisms.
Explanation:
Without variation it would be pretty impossible to notice any "differences" in traits, especially between living organisms.
Answer:
In the bloodstream
Explanation:
The metabolic breakdown of amino acids creates ammonia, which is especially toxic to the brain. The liver converts ammonia to urea, and it is then released into the bloodstream, where it travels to the kidneys and is excreted in the urine.
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.
