Question

complete the following statements. 1. a bluish tint to the skin of a fair - haired person is called ________ and is caused by ________.

Explanation:

In the context of human physiology (a subfield of Biology, which is part of Natural Science), a bluish tint to the skin, especially in fair - haired individuals, is known as cyanosis. Cyanosis occurs when there is a decreased level of oxygen in the blood (specifically, when the blood has an increased amount of deoxygenated hemoglobin). This deoxygenated hemoglobin gives the skin a bluish appearance as it circulates near the skin's surface.

Answer:

A bluish tint to the skin of a fair - haired person is called \(\boldsymbol{\text{cyanosis}}\) and is caused by \(\boldsymbol{\text{insufficient oxygen in the blood (increased deoxygenated hemoglobin)}}\).