25 Amazing facts about human blood - The life saver

Fact 1: Blood accounts for about 7-8% of a person's total body weight.

Fact 2: There are approximately 5.4 liters (about 1.42 gallons) of blood in the average human body.

Fact 3: Blood is a specialized bodily fluid that delivers necessary substances such as nutrients and oxygen to the cells.

Fact 4: A single drop of blood contains about 10,000 white blood cells and 250,000 platelets.

Fact 5: Blood is responsible for maintaining the body's pH balance and regulating temperature.

Fact 6: The average lifespan of a red blood cell is around 120 days.

Fact 7: Blood is composed of red blood cells, white blood cells, platelets, and plasma.

Fact 8: The color of blood is not always red; it can appear blue when seen through the skin, but it's always red inside the body.

Fact 9: Blood is constantly being produced in the bone marrow, with about 2.5 million new red blood cells formed every second.

Fact 10: Blood clotting is a crucial process that prevents excessive bleeding when we're injured.

Fact 11: Blood types are determined by the presence or absence of certain antigens, such as A, B, AB, or O.

Fact 12: Blood makes up approximately 10% of the total weight of an average human adult.

Fact 13: The world record for donating the most blood is held by an Australian man, James Harrison, who has donated blood over 1,100 times.

Fact 14: The human body has about 60,000 miles of blood vessels.

Fact 15: Blood is a connective tissue and plays a crucial role in transporting nutrients, hormones, and waste products.

Fact 16: Every 2 seconds, someone in the United States needs blood.

Fact 17: Blood contains iron, which is essential for transporting oxygen to the body's cells.

Fact 18: Blood is approximately 92% water.

Fact 19: The average adult has about 10 pints of blood in their body.

Fact 20: Blood donation is a voluntary and life-saving act that helps people in need of transfusions.

Fact 21: There are four major blood types: A, B, AB, and O.

Fact 22: Blood is a living tissue that carries oxygen and nutrients to all parts of the body.

Fact 23: The heart pumps about 2,000 gallons of blood every day.

Fact 24: Newborn babies have more blood than adults relative to their body size.

Fact 25: Blood serves as a highway system for the body, delivering essential substances and removing waste products.