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How many tentacles do octopuses have? The answer is zero! Learn how to dissect an octopus in this video, which also covers its external and internal anatomy and physiology. In this simple dissection, you’ll learn various parts of the octopus anatomy, why the plural of octopus is octopuses, and how to tell if an octopus is male or female.
Octopuses are a very interesting animal to dissect because they diverged from the human evolutionary line long ago, and have an interesting and unique anatomy. Also, did you know that octopuses' hearts can’t beat every time they use jet propulsion? In this video, you’ll learn general information about the octopus anatomy, which will be tied into its physiological functions.
This dissection lab is for anyone who is curious about octopus anatomy, wants to cover octopus anatomy for a zoology course, missed the octopus dissection during biology class, or just wondered, “Hey, how is that octopus breathing?”. The video will teach you how to dissect an octopus step by step, and review the external and internal anatomy of the octopus.
In this video, we’ll cover the following structures:
Skin Esophagus
Chromatophores Buccal mass
Mantle Digestive gland/Liver
Siphon Crop
Eye Stomach
Lens Caecum
Arms Intestines
Tentacles Gills
Suckers Systemic heart
Mouth Branchial hearts
Beak Gonad
Hectocotylus Retractor muscles
Brain Ink sac
Cartilage skull
If you want to learn more about octopus anatomy, here’s a link to a website with more detailed information, as well as diagrams: https://cephalopods2014.wordpress.com...
If you have any questions regarding octopus anatomy, dissection methodology, or general biology, feel free to leave a comment. We'll try our best to reply.
Website: https://www.oh-worm.com