Blood is a thick, red fluid which carries oxygen, water and food to all parts of the body. It keeps the body at the right temperature (温度) and protects it from disease. If you lose a lot of blood, you need new
Let’s begin by understanding the heart. The heart is a muscle that pumps blood throughout the body. The blood carries oxygen and nutrients to all the cells of the body. The heart is like a pump that has four chambers, two on the right side and two on the left side. The right side...
There's a lot more to know about your blood than the basics. Explore the deeper details of how blood components impact how we donate and test blood today.
What carries blood away from the heart?Question:What carries blood away from the heart?Major Blood VesselsYour body is full of blood vessels that carry your blood all throughout your body. One type carries oxygen-rich blood away from the heart. Which vessels are these? Read on to find out...
The heart and blood vessels work together to pump the blood throughout the body. What is the word that describes the heart and blood vessels? a) tissue b) molecule c) organ d) organ system Which blood vessel carries the most highly oxygenated blood in the adult circulation?...
Your brain sends messages throughout your body. It does this by releasing a chemical called adrenaline, which the blood carries to other parts of the body. Then, the bodily sensations of being frightened begin. Blood drains from your stomach (giving a feeling we describe as a "knot in the...
Aortic aneurysmsare a weakening of the aorta, the important artery that carries blood from the heart to the rest of your body. It causes a bulge in the artery which may lead to dissection or rupture. In anaortic dissection, blood leaks in between the weakened layers of the artery wall. ...
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) ...
Blood is a life-saving fluid that, in higher evolved animals like humans, moves throughout the circulatory system. It is a fundamental component of the human body, and an adult body carries close to 4 or 5 liters of blood. Blood fromarteriesis scarlet red in color, while blood from the...
From blood storms to honeycomb lungs, here’s an organ-by-organ look at how COVID-19 harms humans.