Blood found in humans is red. Human blood is made of red blood cells containing hemoglobin. Hemoglobin is a protein containing iron and is red in color. Hemoglobin aids in the transport of oxygen. More »

Human blood is not blue; it is always red. While blood may appear blue as people look at their veins, this is due to the way body tissue and blood absorb light. More »

www.reference.com Science Human Anatomy Blood

Blood in humans is red, not blue. It is a misconception that human blood is blue and turns red upon touching oxygen in the air. More »

www.reference.com Science Human Anatomy Blood

Blood in humans is red, not blue. It is a misconception that human blood is blue and turns red upon touching oxygen in the air. More »

www.reference.com Science Human Anatomy Blood

Human blood is not blue; it is always red. While blood may appear blue as people look at their veins, this is due to the way body tissue and blood absorb light. More »

www.reference.com Science Human Anatomy Blood

According to the School of Nursing and Academic Division of Midwifery at the University of Nottingham, hydrostatic pressure is a type of pressure that is exerted by the blood onto the capillary walls in humans. As blood ... More »

The blood found in humans is red. Human blood contains a vast amount of red blood cells. Red blood cells consist of hemoglobin. Hemoglobin is red in color, and it contains high iron protein that helps to transport oxygen... More »