Select the correct match with regard to Rana tigrina.

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Cranial nerves - 10 pairs

Heart chambers - 4

Optic lobes - 4

Seminiferous tubules - 10 to 12

answer is A.

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Detailed Solution

Central Nervous System (CNS):
In frogs, the central nervous system consists of the brain and spinal cord. The brain is responsible for processing sensory information, coordinating motor responses, and carrying out various functions related to the frog's behavior and physiology. The spinal cord plays a role in relaying signals between the brain and the peripheral nervous system, as well as coordinating certain reflex actions.
Peripheral Nervous System (PNS):
The peripheral nervous system in frogs consists of the 10 pairs of cranial nerves and 10 pairs of spinal nerves. Cranial nerves arise from the brain and primarily serve sensory and motor functions related to the head and neck region. Spinal nerves originate from the spinal cord and extend throughout the body, carrying sensory information from the body to the CNS and transmitting motor commands from the CNS to muscles and glands.

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