Question

Human beings have red blood cockroaches have white blood where as bivalves and crabs have Blue blood. Comment on the above statement.

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Answer 1

Answer:

Cockroaches have white blood because cockroaches lack haemoglobin in their blood. Haemoglobin is primarily made up of iron and is what gives human blood its red colour. Cockroaches have an open circulatory system, with body cavities full of haemolymph.

In man, about 55% of blood is blood plasma, a fluid that is the blood's liquid medium, which by itself is straw-yellow in colour. The red blood cells are biconcave circular and enucleated.

Answer 2

Answer:

Blood in Cockroach

Cockroaches do not have red blood because they do not use hemoglobin to carry oxygen. They do not carry oxygen in their blood stream either. Most cockroach's blood is colorless.

Explanation:

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