The heart is a muscle in the body that is about the size of a persons clenched fist. There are three types of muscle in the body: cardiac, smooth, and skeletal. Cardiac muscle cells are located in the walls of the heart, appear striated, and are under involuntary control. The heart ha...
Muscle is made up of proteins called actin and myosin, which the actual percentage of each may differ depending on the type of muscle. Muscle is made up of proteins called actin and myosin. Depending on the type of muscle (skeletal muscle, smooth muscle, or cardiac muscle), the actual str...
I anchor this call in a formalist reading Sunil Yapa's Your Heart is a Muscle the Size of a Fist. Drawing from poetic impulses, my formalist reading of the novel includes attention to the novels' grammatical structures and lineated assemblages: I extend my reading of the novel into a call...
We cannot control the movement of either cardiac or smooth muscles, these are under the control of the autonomous nervous system and, in some cases, hormones. Cardiac muscle is contained only the heart and its rate of contraction is largely controlled by the pH of the blood (the quantity ...
againstahiddenpole,injuringthemusclesinher wristsoseverelythatthehandwasleftuseless. Ratherthantendingtoherinjury,Madison triedtofeeltheunderwaterboy.Minuteswentby beforeshesawtheoutlineofhisfoot.Madison shothergoodhandoutandgraspedthefoottightly“Pullmeup!”sheshouted.Then,tenminutes afterMadisonhadenteredthe...
2. I'm sure he'll explore all the usual options for why a guy's heart starts beating so fast it pumps out air instead of blood. 我肯定他会罗列出所有的常见病因来解释为什么这个家伙的心脏跳那么快,以至于只泵气不泵血 Wait a second... there are no usual options! 等等……这个病例里没有...
You may be surprised to know that you have up to 840 different muscles in your body. They come in different types: cardiac muscles, smooth muscles and skeletal muscles. Cardiac muscle forms the wall of the heart, and smooth muscle is inside blood vessels, the uterus, the walls of the int...
It is a very thick muscle that is found only in the walls of the heart. Its job is to pump blood out of the heart and into blood vessels called arteries(动脉). The arteries help carry the blood to all parts of the body. When the cardiac muscles relax, they let ...
To start with, physical activity increases the efficiency of your heart and lungs.During exercise, your heart and lungs must work harder.This extra effort makes them grow stronger over the long term. 【拓展】 in the short term从短期...
The bandage should be tight enough for you to feel support. Do not wrap it too tightly. Elevate the area above the level of your heart, if possible. Keep the injured muscle raised above your heart if possible. For example, if you have a strain of your lower leg muscle, lie down ...