Match the nerve with examples of parasympathetic effector organs it innervates

Biology

1 answer:

Molodets [167]3 years ago

6 0

Answer and explanation;

1) CN III (Oculomotor) -Ciliary muscles

2) CN VII (Facial) -Lacrimal glands

3) CN X (Vagus) -Thoracic and abdominal viscera

4) Pelvic Splanchnic Nerves -Most pelvic viscera

Explanation;

The oculomotor nerve is the third of 12 pairs of cranial nerves in the brain. This nerve is responsible for eyeball and eyelid movement.

-Facial nerves; Sensory fibres are concerned with taste via the taste buds at the front of the tongue. Motor fibres control secretion of tears via the lacrimal glands and saliva via the sublingual salivary glands as well as facial expressions via some of the muscles of facial expression.

Vagus nerve; Stimulates voluntary muscles that effect swallowing, coughing and speech (conscious control).Stimulates the contraction and relaxation of smooth muscle in the gastrointestinal tract. (unconscious control).

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