How many liters of blood are in the human body? Is it different for males and females?Physical Characteristics of Blood:Blood is a viscous, red liquid with a pH ranging from 7.35 to 7.45. Blood has two main components: blood plasma (the liquid portion containing protei...
a到了今天 To today[translate] aexploitation of poor countries 开发穷国[translate] aHow many liters of blood are there in a human adult's body? 多少公升血液有没有在一个人的成人的身体?[translate]
How much blood is coursing through your veins and arteries? It turns out there's enough blood in the human body to fill a bit more than a 1-gallon milk jug. The average adult has about 1.2 to 1.5 gallons (4.5 to 5.5 liters) of blood circulating inside their body, said Dr. Daniel ...
Babies.Babies who are born full-term (that is, in the 38th or 39th week of pregnancy), have about 75 milliliters of blood for every kilogram of body weight. This represents between 9-10% of the baby’s body weight. For example, if the baby is born weighing 8 pounds (about 3600 gr...
Blood:Blood is a connective tissue that works to transport gasses and nutrients around the body. It travels along in vessels called arteries and veins and is pumped by the heart. Important nutrients include glucose, proteins and fats while important gasses include oxygen and carbon dioxide....
The ratio of breath alcohol concentration to blood alcohol content is 2,100:1. This means that 2,100 milliliters (ml) of alveolar air will contain the same amount of alcohol as 1 ml of blood. For many years, the legal standard for drunkenness across the United States was 0.10, but ...
Every two seconds, someone in the U.S. needs blood, or a blood component. There's no substitute for the real thing -- and a single victim of a car crash could require as many as 100 pints of life-saving blood. Your body needs real blood to function properly, and blood cells, ...
Blood is a mixture of two components: cells and plasma. The heart pumps blood through the arteries, capillaries and veins to provide oxygen and nutrients to every cell of the body. The blood also carries away waste products. The adult human body contains approximately 5 liters (5.3 quarts) ...
How is urine formed in the human body? Each nephron consists of a ball formed of small blood capillaries, called a glomerulus, and a small tube called a renal tubule. Urea, together with water and other waste substances, forms the urineas it passes through the nephrons and down the renal...
AIDS has infected and killed so many people because of the way it works. Let's look at some of the features that make this disease so unusual. HIV can be transmitted through a variety of body fluids from infected individuals, such as blood, breast milk, semen and vaginal secretions. But...