This article discusses how arteries in the body can become clogged, which can lead to a heart attack. All of its many metaphors aside, the heart is a double-barrelled muscle: the left side receives oxygen-filled blood from the lungs and pumps it to the body, the right sends the used ...
Like other arteries in your body, the femoral artery carries oxygen-rich blood away from your heart. The femoral vein runs alongside the femoral artery. This veincarries deoxygenated blood from your lower body, back up to your heart. How does blood return to the heart in the femoral vein?
heart and blood vessels. You might know someone who has cardiovascular disease because 61 million Americans have some form of it. This disease includes a variety of problems, including high blood pressure, hardening of the arteries, chest pain, heart attacks, and strokes. What Is Heart Disease?
Oxygen: Specialized nerve cells within the aorta and carotid arteries called peripheral chemoreceptors monitor the oxygen concentration of the blood and feed back on the respiratory centers. If the oxygen concentration in the blood decreases, they tell the respiratory centers to increase the rate and...
How many hearts does a squid have?Circulatory SystemThe function of the circulatory system is to pass blood through your veins and arteries. The circulatory system contains the heart. Squid FactsSquid are cephalopods, belonging to the Phylum Mollusca and Class Cephalopoda. Squid live between three ...
Heart attack occurs when one of the arteries in the heart is blocked. Severe heart attacks are very dangerous and can lead to instant death. Therefore, learning about the signs, symptoms and how to prevent heart attack is very important for everyone. ...
A team led by Dr. Elena Cano in the Integrative Vascular Biology Lab of Professor Holger Gerhardt at the Max Delbrück Center in Berlin has elucidated the mechanism via which new arteries form in the heart. The finding, published in Circulation Research,
In addition, you will learn amazing things about this incredible fluid and the cells in it. 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 ...
Hot environments can raise your resting heart rate because your body has to work harder to cool down. Staying in cooler areas can keep your body from working so hard. Quit smoking and other forms of tobacco Smoking and other tobacco products cause your arteries and veins to get smaller. This...
At 18, Katie Stubblefield lost her face. At 21, she became the youngest person in the U.S. to undergo the still experimental surgery. Follow her incredible story.