At regular interval, the nerve fibre possesses constriction of myelin sheath known as ________ .

What is myelin sheath.

Write one function of myelin sheath.

Myelin sheath consists of

Single filament of Nostoc without mucilage sheath is known as

The cytoplasm of muscle fibre is known as :

Long fibre of cotton is known as

Which of the following statements are correct and incorrect ? 1. Non-myelinated nerve fibre is enclosed by a schwann cell that does not form a myelin sheath. 2. Synaptic cleft of neurons secrete adrenaline. 3. Spinal cord and cranial nerves are made of non-myelinated nerve fibres.. 4. Myelinated nerve fibres are enveloped with schwann cells, which form a myelinated sheath around the axon.

Afferent nerve fibre carries impulses from

In the central neural system, medullated nerve fibres form

Drops of water from the roof of a house are falling at a regular interval of one second. Find the position of 3rd, 4th and 5th drops when the 6th drop just falls from the roof.