The gland that releases hormones into the blood are part ...
The gland that releases hormones into the blood are part of the
digestive system
endocrine system
circulatory system
respiratory system
Correct answer is B
No explanation has been provided for this answer.
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Which of the following insects undergoes incomplete metamorphosis? ...
The excretory product in protozoans is ...
In plants, which of the following is required in minute quantities for growth? ...
Which of the following statements is NOT true of mammalian erythrocytes? ...
Leguminous plants, e.g Mucana, are usually planted in cultivated farmlands because they ...
How many gametes are produced in the pollen grain of a flowering plant before fertilization? ...