Which one of the following is not correct about micronutrients?  

The hormone that stimulates secretion of testosterone by the testes is:

The pH-regulating mechanism that works most slowly is the:

The mineral in hemoglobin that bonds to oxygen is:

All of the following is true regarding too little water in the body EXCEPT;

Approximately two-thirds of the total body water is found ____, and is called ____ fluid.

Which statement most correctly decribes the main function of the lymph nodes?

The effect of oxytocin on the mammary glands is to:

The hormone that stimulates the breakdown of fat and protein and the conversion of fat and protein to glucose  as well enhances tissues repair and anti-inflammatory  is:

Which statement describes a negative feedback mechanism?