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Hi, this is squid dissection question. What are the 2 red structures that exit from the...

Hi, this is squid dissection question.

What are the 2 red structures that exit from the bottom of the systemic heart? What purpose could they serve?

How does the circulatory system of a squid differ from that of a mammal?

Any help is much appreciated. Thank you

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Answer #1

These are cephalic arteries which carry oxygenated blood from the systemic heart to all body parts.

Squid have 3 chambered heart whivh consist of two upper atrium and one lower ventricle while in mammals 4 chambered heart is present two atrium and two ventricle.

Squid has Hemocyanin which transport oxygen in the body while in mamalsm like human Haemoglobin is present which carry oxygen to all body parts.

Sayid has 3 heart , 2 brachial heart and one systematic while in mammals like human one heart is present

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