WebDissection of Nervous System: The nerve ganglia, paired cerebral, pleural, pedal and unpaired visceral ganglion are of large size, aggregated around the oesophagus and in … WebJan 1, 2024 · Deep-sea thinkers. Octopuses and their kin (cuttlefish and squid) stand apart from other invertebrates, having evolved with much larger nervous systems and greater cognitive complexity.
Structure and Function - Fish
WebThe nervous system of fishes is poorly developed compared to that of other vertebrates. A bony fish's brain is divided into three sections: the forebrain, the midbrain, and the … WebMar 31, 2024 · fish, any of approximately 34,000 species of vertebrate animals (phylum Chordata) found in the fresh and salt waters of the world. Living species range from the primitive jawless lampreys and hagfishes … how do you measure a snowboard size
Nervous System Monterey Bay Salmon and Trout Project …
WebJan 17, 2024 · The insect nervous system consists primarily of a brain, located dorsally in the head, and a nerve cord that runs ventrally through the thorax and abdomen. The insect brain is a fusion of three pairs of ganglia, each supplying nerves for specific functions. The first pair, called the protocerebrum, connects to the compound eyes and the ocelli ... Webfront, smell. cerebrum. larger behind lobes, largest part of brain, thinking determining perceiving, senses. optic lobes. very thin, posterior to cerebrum, receives and interpreted visual stimuli from eye, generates motor responses. cerebellum. posterior to optic lobes, 2nd largest part of brain, balance, equilibrium, muscle movement. WebADVERTISEMENTS: In this article we will discuss about:- 1. Introduction to Lamprey 2. Distribution of Lamprey 3. External Features 4. Digestive System 5. Circulatory System 6. Respiratory System 7. Nervous System 8. Urinogenital System 9. Endocrine Organs 10. Development. Contents: Introduction to Lamprey Distribution of Lamprey External … phone gramophone