Your circulatory system works all day, every day, to pump oxygen throughout your body. There are cardiovascular conditions that can impact this system. Your circulatory system, also known as your ...

Space to play or pause, M to mute, left and right arrows to seek, up and down arrows for volume. There's perhaps no element of the body that captures our imagination more than the heart. We link it ...

Water and nutrients are important to keep living things alive and healthy. Animals, including humans, get these from what they eat and drink, but how do the water and nutrients get transported around ...

Natural killer (NK) cells are the bodyguards of our immune system. As a first line of defense, they destroy invading ...

Bring books that might help you, if you wish (vertebrate, animal physiology, etc). Handouts for next week will be given to you at the beginning of the lab session. Lab exam three weeks today - sample ...

Space to play or pause, M to mute, left and right arrows to seek, up and down arrows for volume. Our bodies certainly are busy. All the different structures in us working together to achieve the ...

There are many different circulatory system diseases, all of which interrupt the complex process of distributing blood around the body. Examples include atherosclerosis, heart attack, and arrhythmia.

There are about 30-40 billion white blood cells present in our body to fight against infective and foreign organisms. On average, human blood circulates through the whole body every 23 seconds.

Well, the blood has to be kept moving around all the time because it's the body's delivery system. Every possible part of the body has to be supplied with oxygen and food and water, and the veins and ...