A ________ is formed of a bundle of nerve fibers enclosed in a tubules sheath.
nerve
dendron
axon
none
_______ gland is known as the master gland of the body.
Adrenal gland
Thyroid gland
Pituitary gland
None of these
Endocrine glands are _______ glands secreting the chemical substance called hormones.
Glands with ducts
Ductless gland
Both a + b
When the impulse is conveyed from a receptors to the main nervous system called a
Sensory neuron
Motor neuron
Connecting neuron
