Your heart is really a muscle (肌肉). There are lots of muscles all over your body. Your heart is a special muscle because of what it does. It sends bloo d aroun d your body an d the bloo d provides your body with the oxygen (氧气) it needs. Then the bloo d carries away the...
There is about it a curious, cracked look that is very puzzling until you suddenly realize that at one time, and long ago, the right side of the front porch had been painted, and part of the wall -- but the painting was left unfinished and one portion of the house is darker and din...
The heart is a very important organ. It pumps blood all through the body. Just like you can flex your arm muscles, the heart can flex, too. When the heart flexes, it pumps blood all through the body. First, half of the heart expands and fills with blood. Then, the other half of ...
As you age, the muscle unit may contain fat, leading to age-related muscle loss and weakness. Myoglobin, an iron and oxygen-binding protein, can be found in both yourheart(cardiac) and skeletal muscles. It collects oxygen that the muscle cells use to generate energy. ...
The blood is forced through the blood vessels by the heart.The combined capacity to supply energy to the working muscles is called organic power.The capacity and efficiency with which your body can function depends on the degree ofdevelopment of both your muscular and organic power through ...
The smooth muscles just do their jobs automatically. For this reason smooth muscles are sometimes called involuntary muscles. Like smooth muscle, cardiac muscle also works involuntarily. It is a very thick muscle that is found only in the walls of the heart. Its job is to ...
body, the venous blood utilization method is characterized by using muscle behavior and oppression of a blood vessel by force to move blood to the heart again while arterial blood with occupying 30% of total blood in human body is transferred to the whole body through an artery by the heart...
She PLUNGES the sword into her own heart. out on the balcony, Imhotep's mouth opens into a horrible silent scream ... NARRATOR/IMHOTEP For murdering Pharaoh, Anck-su-namun's body was to be cursed. And it was I, the High Priest, whose duty it was to curse it. EXT. SAND DUNES -...
B. During the systole, oxygenated is pumped out of the right ventricle into the aorta and from there through the veins to all organs of the body. C. There are four chambers which are made up of several layers of smooth muscles. D. The heart is roughly the size of the your fist. ...
The heart is a very important organ. It pumps blood all through the body. Just like you can flex your arm muscles, the heart can flex, too. When the heart flexes, it pumps blood all through the body. First, half of the heart expands and fills with blood. Then, the other half of ...