Instructions: _∙ Identify Each Item. Give an Explanation or Description of of the Item

question 147

Essay

Instructions:
_∙ Identify each item. Give an explanation or description of the item. Answer the questions who, what, where, and when.
Explain the historical significance of each item. Establish the historical context in which the
_∙ item exists. Establish the item as the result of or as the cause of other factors existing in the society under study. Answer this question: What were the political, social, economic,
and/or cultural consequences of this item?
-the governmental principle of checks and balances

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Definitions:

Hemoglobin

A protein found in red blood cells that carries oxygen from the lungs to the body's tissues and returns carbon dioxide from the tissues back to the lungs.

Oxygen-Transporting Pigment

Molecules, such as hemoglobin in vertebrates, responsible for carrying oxygen from the respiratory organs to the rest of the body.

Hemocyanin

A copper-containing oxygen-transport protein found in the blood of some invertebrates, similar in function to hemoglobin in vertebrates.

Hemoglobin

A molecule found in red blood cells responsible for transporting oxygen from the lungs to the tissues of the body and bringing carbon dioxide back from the tissues to the lungs.