Which of the following is an example of negative feedback loop in humansA. Secretion of sweat glands and constriction of skin blood vessels when it is too hotB. Constriction of skin blood vessels and contraction of skeletal muscles when it is too coldC. Secretion of tears after falling of sand particles into the eyeD. Salivation of mouth at the sight of delicious food

Which of the following is an example of negative feedback loop in huma

1.	Which of the following is an example of negative feedback loop in humansA. Secretion of sweat glands and constriction of skin blood vessels when it is too hotB. Constriction of skin blood vessels and contraction of skeletal muscles when it is too coldC. Secretion of tears after falling of sand particles into the eyeD. Salivation of mouth at the sight of delicious food
Answer» Correct Answer - B

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