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How many radial canals does the starfish have?
The radial canals carry water to the ampullae and provide suction to the tube feet.
What nerve is number 5?
Cranial nerve 5 is the trigeminal nerve.
Do octopus have 5 part radial symmetry?
NOOOOOOOOOOOOOOOOOOOOOO
What kind of nerve is the trigeminal nerve?
Cranial Nerve 5 (trigeminal), division V3 contains a buccal nerve, a lingual nerve and an inferior alveolar nerve.
What nerve causes the deaphragm to contract and initiate inhalation?
The phrenic nerve of the cervical plexus. Cervical Spinal nerves 3-5.
Are there Nerve endings in eyes?
The cornea is one of the most sensitive tissues of the body, it is densely innervated with sensory nerve fibres via the ophthalmic division of the trigeminal nerve by way of 70 - 80 long ciliary nerves; and short ciliary nerves derived from the oculomotor nerve. The nerves enter the cornea via three levels, scleral, episcleral and conjunctival. Most of the bundles give rise by subdivision to a network in the stroma, from which fibres supply the different regions. The three networks are midstromal, subepithelial/Bowman's layer, and epithelium. The receptive fields of each nerve ending are very large, and may overlap. Corneal nerves of the subepithelial layer converge and terminate near the apex of the cornea in a logarithmic spiral pattern.[5]
How are echinoderms radial symmetry different from a jellyfish?
ctenophorains(jellysfish) are spherical in shape much like a ball hence show radial symmetry. echinoderms(starfish) generally are flatter and have 5 arms hence are called pentaradial symmetry (can be cut in only 5 directions)
What are the 31 spinal nerves called?
The proper name is Mixed Spinal Nerve.They do not have individual names, however. They are referred to by their number, with number one just above the first rib and the 31st going through the foramen between sacral 4 & 5.
What are 5 skeletal muscles?
5 skeletal muscles can be the Orbicularis oris, Sternocleidomastoid, Masseter, External Intercostals, and Biceps brachii. Other skeletal muscles are the diaphragm, Gracilis, and Soleus.
How many muscles do centipedes have?
5
How big is an nerve cell?
5 to 100 micrometers
How many muscles are used to speak a single word?
Well a person who talkes alot uses about 35 muscles a person that talkes only a littel uses 23 muscles
