Which of the following hormones is secreted by the kidneys?

adrenaline

noradrenaline

erythropoietin

cortisol

Erythropoietin is secreted by the kidney in response to cellular hypoxia, and stimulates red blood cell production in the bone marrow. The other three are secreted by the adrenal gland.

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CCoil wikipedia → Erythropoietin

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Answers by country

Pakistan

25%

62%

10%

the Netherlands

14%

57%

21%

Austria

53%

40%

Australia

30%

10%

47%

the United States

18%

45%

16%

187

Republic of Ireland

15%

42%

Germany

19%

40%

30%

Nigeria

36%

13%

36%

11%

Poland

12%

19%

34%

32%

4454

India

38%

12%

34%

13%

262

the Philippines

26%

30%

34%

Ghana

54%

27%

Malaysia

18%

27%

Canada

31%

25%

15%

Greece

15%

30%

25%

30%

the United Kingdom

21%

23%

22%

30%

105

Italy

36%

54%

What color is octopus blood?

Which blood group is known as "universal donor"?

Which blood type is the least common?

AB-

AB+

What is that breed of long-coated terrier called?

Silky Terier

Skye Terrier

Briard

Irish Soft-coated Wheaten Terrier