The brain... for most people.
The estrous cycle of pigs is 21 days. Humans have a menstrual cycle which can last from 21-35 days.
Queen Elizabeth IIâ??s birth name is Elizabeth Alexandra Mary Windsor. She has served 62 years on the throne as of 2014.
About 21 ounces.
No that is only in humans I'm not sure animals can actually have down syndrome, but they can always have birth disorders. Although there is also one recorded case of a cat believed to have down syndrome. Heres the link if your Interested- http://www.itchmo.com/taking-care-of-a-cat-diagnosed-with-down-syndrome-1523 Alex and Amelia 'Down's Syndrome' is technically when there is three 21 chromosomes in a human. Therefore, no other animals can have 'Down's Syndrome' specifically. Other animals can, however, have three of other chromosomes and have a similar physical defect, although they rarely are able to survive in the wild.
21 goats left
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The estrous cycle of pigs is 21 days. Humans have a menstrual cycle which can last from 21-35 days.
21
Dinosaurs - 1991 Charlene and Her Amazing Humans 3-21 was released on: USA: 9 May 1993
The most common chromosomal abnormality in humans is Down syndrome, which is caused by an extra copy of chromosome 21. It occurs in about 1 in 700 births.
48 Hours - 1988 Live to Tell Hunting Humans 24-21 was released on: USA: 26 March 2011
Yes. The air is 21% oxygen which is what humans run on. It is 79% nitrogen which we filter out. I learned this today in Health class.
Approximately 25% of the oxygen carried by red blood cells is released to organs and tissues during circulation in the body.
Psychic Investigators - 2006 Southern Organs Case 1-7 was released on: USA: 21 April 2006
In humans, the kidneys are two small organs located near the vertebral column at the small of the back. The left kidney lies a little higher than the right kidney. They are bean-shaped, about 4 in. (10 cm) long and about 21/2 in. (6.4 cm) wide.
Another name for trisomy-21, commonly known as Down syndrome, is trisomy 21.
Yes, animals have chromosome 21. It may vary in size or gene content depending on the species. In humans, chromosome 21 is associated with conditions such as Down syndrome.