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Quote from Wikipedia:"Cardiac skeleton (sometimes called "fibrous skeleton of the heart") refers to the structure of dense connective tissue in the heart that separates the atria from the ventricles. It is not a "true" skeleton, but it does provide structure and support for the heart, as well as isolating the electric charges that go through the heart by slowing them down enough to allow the atriums to contract before the ventricles so that the heart is much more efficient. It also allows the valves (bicuspid, tricuspid, semilunar) to keep open by giving them structural support."I do wonder why you didn't google it though...
cereals are mostly monocotyledons, so fibrous root system.
Cardiac muscle pertains to the heart, so the function is as the heart pumps it pushes blood through the entire body. The blood circles through the heart and is shot into the body.
Bursae function to cushion joints so that bones don't wear down from rubbing against each other.
a heart tube acts as a "fliter" for the heart so that no impurities are pumped through the worms body
the already have a heart so their skull bone will form, then the skeleton, then their fingers and toes, then their skin and then their brain
That is so true! In fact it is the function of the heart valves.
No. The heart is an organ. Organs are made of more than one tissue. The valves of the heart are made of strong connective tissues. They are so strong and large they form what is called the skeleton of the heart and helps to give it shape.
The pulmonary arteries deliver blood to the lungs from the heart so it can be oxygenated.
No. If a patient got a "fake" heart, the fake by definition would not function. So, the patient would die if the surgeons put in a fake heart.
The pulmonary arteries deliver blood to the lungs from the heart so it can be oxygenated.
Pulmonary Function refers to the functions of the heart. And a deficit means lacking, or falling short. So a pulmonary function deficit means that the heart isn't quite up to scratch. If your heart only managed to pump 40 litres of blood per hour instead of the average 80 (example figures, don't quote me on those), then you could say that this example heart has a pulmonary function deficit.