Why endocrine gland are also referred to as ductless glands?
Endocrine glans are referred to as ductless glands because they release the hormones directly into the blood stream. They do not have any ducts for their secretion.
Name the hormones which control metamorphosis in insects and frog.
Which hormone controls the blood sugar level?
Which sex chromosome determines the sex of body?
To which body part pituitary gland is attached?
