How Do You Know When Your Heart Is Failing
We see and hear nearly hearts everywhere. A long fourth dimension agone, people even thought that their emotions came from their hearts, maybe because the heart beats faster when a person is scared or excited. Now we know that emotions come from the brain, and in this case, the encephalon tells the middle to speed up. So what's the centre upwards to, and then? How does information technology continue busy? What does information technology look like? Let's detect out.
The Heart Is a Muscle
Your heart is really a muscle. It'south located a piddling to the left of the middle of your chest, and it's well-nigh the size of your fist. There are lots of muscles all over your body — in your arms, in your legs, in your back, fifty-fifty in your behind.
But the center muscle is special because of what it does. The heart sends blood effectually your body. The blood provides your body with the oxygen and nutrients it needs. It as well carries abroad waste.
Your heart is sort of like a pump, or two pumps in one. The right side of your heart receives claret from the body and pumps it to the lungs. The left side of the center does the exact contrary: Information technology receives blood from the lungs and pumps it out to the body.
How the Eye Beats
How does the heart vanquish? Before each vanquish, your heart fills with blood. So its muscle contracts to squirt the blood along. When the centre contracts, it squeezes — endeavor squeezing your hand into a fist. That'southward sort of like what your heart does so it can eject out the claret. Your eye does this all day and all night, all the time. The heart is one hard worker!
Page 1
Parts of the Heart
The centre is fabricated upward of four different blood-filled areas, and each of these areas is called a chamber. There are two chambers on each side of the heart. 1 chamber is on the height and ane bedchamber is on the bottom. The two chambers on superlative are called the atria (say: AY-tree-uh). If yous're talking merely well-nigh one, call information technology an atrium. The atria are the chambers that fill with the blood returning to the heart from the torso and lungs. The heart has a left atrium and a right atrium.
The two chambers on the bottom are called the ventricles (say: VEN-trih-kulz). The eye has a left ventricle and a right ventricle. Their task is to squirt out the blood to the body and lungs. Running downwards the middle of the heart is a thick wall of muscle called the septum (say: SEP-stomach). The septum's job is to split up the left side and the correct side of the heart.
The atria and ventricles piece of work every bit a team — the atria fill with claret, and then dump it into the ventricles. The ventricles then squeeze, pumping blood out of the heart. While the ventricles are squeezing, the atria refill and go prepare for the next contraction. And so when the claret gets pumped, how does information technology know which way to go?
Well, your claret relies on four special valves within the center. A valve lets something in and keeps it there by closing — think of walking through a door. The door shuts backside yous and keeps yous from going astern.
Two of the eye valves are the mitral (say: MY-trul) valve and the tricuspid (say: try-KUS-pid) valve. They let claret menstruation from the atria to the ventricles. The other ii are chosen the aortic (say: ay-OR-tik) valve and pulmonary (say: PUL-muh-ner-ee) valve, and they're in charge of controlling the flow as the claret leaves the centre. These valves all piece of work to go on the blood flowing frontwards. They open up up to let the blood move ahead, and so they close quickly to continue the claret from flowing astern.
Page 2
How Claret Circulates
Y'all probably guessed that the blood just doesn't slosh around your body once it leaves the heart. It moves through many tubes called arteries and veins, which together are called blood vessels. These claret vessels are attached to the heart. The blood vessels that carry claret abroad from the middle are called arteries. The ones that behave blood back to the middle are chosen veins.
The movement of the claret through the heart and around the body is called circulation (say: sur-kyoo-LAY-shun), and your heart is really proficient at it — it takes less than sixty seconds to pump claret to every jail cell in your body.
Your trunk needs this steady supply of claret to proceed it working right. Blood delivers oxygen to all the torso'south cells. To stay alive, a person needs healthy, living cells. Without oxygen, these cells would die. If that oxygen-rich blood doesn't circulate as it should, a person could die.
The left side of your middle sends that oxygen-rich blood out to the body. The body takes the oxygen out of the claret and uses it in your body's cells. When the cells use the oxygen, they make carbon dioxide and other stuff that gets carried abroad by the blood. It's similar the blood delivers lunch to the cells and then has to pick upwardly the trash!
The returning blood enters the right side of the heart. The right ventricle pumps the blood to the lungs for a little freshening up. In the lungs, carbon dioxide is removed from the claret and sent out of the body when we exhale. What's next? An inhale, of form, and a fresh jiff of oxygen that can enter the blood to start the process again. And call up, information technology all happens in about a infinitesimal!
Folio three
Listen to the Lub-Dub
When you go for a checkup, your physician uses a stethoscope to listen carefully to your heart. A healthy middle makes a lub-dub sound with each beat. This sound comes from the valves shutting on the blood inside the heart.
The first audio (the lub) happens when the mitral and tricuspid valves close. The adjacent audio (the dub) happens when the aortic and pulmonary valves close after the blood has been squeezed out of the heart. Next time you go to the doctor, enquire if yous tin heed to the lub-dub, too.
Pretty Cool — It's My Pulse!
Even though your eye is inside you, there is a absurd way to know information technology's working from the outside. It'due south your pulse. You can find your pulse by lightly pressing on the skin anywhere in that location'southward a big avenue running just beneath your peel. Ii good places to find it are on the side of your neck and the within of your wrist, just beneath the thumb.
You'll know that you've found your pulse when you can experience a small crush nether your skin. Each beat is caused by the contraction (squeezing) of your eye. If you want to find out what your heart rate is, utilise a watch with a 2d hand and count how many beats yous feel in ane minute. When you are resting, y'all volition probably feel betwixt 70 and 100 beats per minute.
When you run effectually a lot, your body needs a lot more oxygen-filled blood. Your heart pumps faster to supply the oxygen-filled blood that your body needs. You may even feel your heart pounding in your chest. Try running in place or jumping rope for a few minutes and taking your pulse once more — now how many beats do y'all count in 1 minute?
Keep Your Heart Happy
Most kids are built-in with a healthy heart and information technology's of import to continue yours in good shape. Here are some things that y'all can do to assist go on your heart happy:
- Remember that your eye is a muscle. If you want it to exist strong, you need to exercise it. How practise you do it? By existence active in a mode that gets y'all huffing and puffing, like jumping rope, dancing, or playing basketball. Try to be active every twenty-four hour period for at least 30 minutes! An hour would exist fifty-fifty better for your heart!
- Swallow a variety of salubrious foods and avoid foods high in unhealthy fats, such as saturated fats and trans fats (reading nutrient labels tin can help yous figure out if your favorite snacks contain these unhealthy ingredients).
- Endeavour to eat at least v servings of fruits and vegetables each day.
- Avoid sugary soft drinks and fruit drinks.
- Don't smoke. It can damage the heart and blood vessels.
Your heart deserves to be loved for all the work it does. It started pumping blood before you were born and will keep pumping throughout your whole life.
Source: https://kidshealth.org/en/kids/heart.html
Post a Comment for "How Do You Know When Your Heart Is Failing"