What is it called when the heart is unable to pump the required amount of blood? What is abnormally slow heart rate called? What is abnormally fast heart rate called? If the stroke volume is 100 ml and the heart rate is 100 bpm, what is the cardiac output? a) 5 L/min. b) 10 L...
What is it called when there is cellular death in the body after someone dies? Evaluate, in terms of basic physiology and biochemistry, the statement: A lack of sleep causes a lack of energy. Which statement about glucose and triglycerides is not correct? A. ATP is the energy fuel that ...
When one organism lives inside the tissue or cells of another, biologists define that as endosymbiosis. For the most part, these relationships are the norm for many unicellular entities. For example, a unicellular eukaryotic (a cell with an encased nucleus inside it) organism Paramecium bursaria ...
A heart attack occurs when blood cannot flow through one or more of the coronary arteries, which supply oxygen and nutrients to the heart muscle. When this happens, the heart does not receive sufficient amounts of oxygen and nutrients and the heart tissue dies, causing a...
or is it just another fad that will pass once the hype dies down? kindyll wetta, the starting point guard for colorado university's women's basketball team, holds two narwhals. photograph: taylor boyd/apex cool labs when the us military needed a portable way to cool overheated personnel ...
calledsomites. These bands are stacked all down the sides of the fish in thick, orderly rows. Let’s go back to carrying fish in nets to find out why this matters. When the process causes damage to the back, it also destroys at least some of the nerves to at least one of the ...
Pope Francis is being treated in hospital for double pneumonia — but what is this condition, and why might the pope be particularly vulnerable to it? Comments ( 0 ) When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Pop...
Experts tell Live Science what it means to "hit the wall" while exercising and how to avoid it. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. "Hitting the wall" is what happens when someone becomes exhausted because their muscles...
The pulp is the soft tissue that contains nerves, blood vessels and connective tissue. It lies within the tooth and extends from the crown of the tooth to the tip of the root in the bone of the jaw. When the pulp is diseased or injured and cannot repair itself, it dies. The most co...
What is the lifespan of white blood cells?White Blood CellsWhite blood cells, also known as leukocytes or leucocytes, are cells of the human immune system found throughout the body in both the blood and lymphatic system. Their purpose is to protect the body from foreign invaders and ...