Fifth cranial nerve of frog is called
vagus
trigeminal
optic
ophthalmic
B.
trigeminal
Trigeminal nerve is fifth cranial nerve of frog. It arises from lateral sides of medulla oblongata.
Vagus is a large mixed and tenth cranial nerve. It regulates the respiration rate, heart rate and digestive activities.
Optic is the second sensory cranial nerve, which brings in sight messages from eyes.
Olfactory is the first sensory nerve, which brings in smell messages from nose.
Systemic heart refers to
entire heart in lower vertebrates
the two ventricles together in humans
the heart that contracts under stimulation from nervous system
left auricle and left ventricle in higher vertebrates
If frog's brain is crushed, even then its leg moves on pinpointing. It is called
simple reflex
conditional reflex
neurotransmitter function
autonomic nerve condition
Gemmule formation in sponges are useful in
asexual reproduction
sexual reproduction
parthenogenesis
parthenocarpy
