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Heart

The heart is a major organ of the body that is found in the circulatory system. It pumps blood throughout the blood vessels. Questions related to the heart should be put here.

8,781 Questions

Is heart and spleen visceral organs?

The term visceral means among or around or related to the organs. The term also means organs within the large internal cavities. These organs fit the second definition.

What are Air Release Valves Market Growth?

The global air release valves market was valued at USD 1,173.1 million in 2019 and projected to reach USD 2,025.4 million by 2027, expanding at a CAGR of 7.7% during the forecast period. In terms of volume, the market is projected to expand at a CAGR of 7.2% during the forecast period. Air release valves are the hydro-mechanical devices used to eliminate air pockets that collect due to negative pressure in a pipeline. The air release valve consists of a small orifice that releases air entrapped in water under pressure. Normally, the air release valve is open; however, when liquid upsurges in the system and lifts afloat within the valve, then the air release valve closes.

Why do fish only have 2 chambers in the heart?

Unlike mammals, fish absorb oxygen directly into the blood stream at the gills. They don't have lungs so blood doesn't have to be pumped to the lungs to be oxygenated before it can be pumped round the body so they only need 2 chambers in their heart

What is the normal valve area for the aortic valve?

3 - 4cm3, it becomes reduced in aortic stenosis and is usually symptomatic at less than 1cm3

How many people need an artificial heart?

83% of people need an artificial heart and have died because of it.

What are 5 foods that are beneficial to the heart and 5 foods that are harmful to the heart and Why?

5 Foods that are beneficial to the heart are:

1. Oatmeal: (fiber) traps bile acids the liver needs to manufacture cholesterol, slows production of proteins that promote blood clotting, (which we know if the arteries get clogged, they put undue strain on the heart and cut off nutrients and oxygen to the areas that are in the surrounding area of the arteries)interferes with the absorption of dietary fat.

2. Fish: (omega-3 fatty acids) reduces clotting, inflammation abnormal heart rhythms, lowers triglycerides.

3. Broccoli (sulforaphane) potent anticarcinogens that help protect against chronic diseases.

4. 2% Fat free milk: (calcium) may help prevent hypertension and possibly stroke by reducing insulin resistance and platelet aggegration.

5. Fruits: provide more nutrients and have a lower glycemic index than refined grains and starchy foods. (weight gain has a strain on the heart as well as all systems of the body)

What is a linking valve in your heart?

there is actually more than one valve in the heart. there is the semilunar, bi-cuspid, tri-cuspid

What structures prvents the flow of blood back into the heart after the venricles contract?

Valves prevent the backflow of blood, in this case the semilunar valves stop blood flowing back into the heart.

What chamber of the heart pumps blood to the arms?

Well, the main thing it does, obviously, is provide blood to the arms, thus letting you to move your arms, supply energy for muscles, and supplies blood to the nerves so you can feel your arm.

What medication do you need when having a heart attck?

If you feel like you are having a heart attack call 9-1-1 right now. The medication you need is prescription nitroglycerin. When the medics come if your systolic blood pressure is above 100 they'll give you sublingual nitroglycerin. aspirin if you're not allergic or have active GI bleeding or have an altered mental status, and 100% oxygen at 15 liters per minute per nonrebreather mask.

Why would a car belt start squealing intermittently then get really bad and happen more often and then go away within a 3 month time span without any servicing?

Check if the belt if worn. If the belt is worn, check to see why that happened and fix the problem. If the belt is not worn, the squealing is due to some unwanted substance that came on the belt such as dirt, antirust, or oil. In this case, I also recommend that you replace the belt regardless if the squealing has disappeared because there is a chance that the belt may slip.

Do skinny people have heart attacks?

Yes, you can be skinny and still have a heart attack. It is because you have diabetes, family history, or you are smoking.

What would happen if every body had guns?

it would be frigin sweet i get tired of asking people to play and they dont got a gun

Is it bad if you feel your heart beat hard when you touch your chest?

yes

...or maybe. If you have just undergone strenuous exercise or a sports activity, or are incredibly frightened, or have just avoided being hit by a bus, your heart will naturally beat faster to provide increased oxygen necessary to other body functions needed under stress or emergency. Under extreme conditions it can actually thump so hard you can hear it.

However, it should not do this normally. If you are concerned, see a doctor.

In an overhead valve system what mechanism opens and closes the valves?

In most OHV systems, the cams are opened and closed in the following process: a camshaft is pressed into a gear which meshes with a gear pressed onto the crankshaft. The camshaft has protrusions which are offset from the center of the shaft so they turn rotary motion into longitudinal motion. The timed protrusions push two rods up at varying times (one rod controls intake, the other controls exhaust). As the rods are pushed up they push a lever that has a rod on the opposing side of the lever which is connected- either directly or indirectly- to the intake and exaust valves. The upward motion of the rods is reversed on the other side of the lever which pushes down (open) the intake or exaust valve. On one last note, the valve rods are encircled by a spring which returns the valve to the closed position when the offset cam protrusions rotate out of position.

Where is ORVR valve?

The ORVR valve in a Toyota Camry is an on-board refueling vapor recovery valve. This valve is located in the upper portion of the fuel tank.

What is the job of the heart?

Your hearts job is to pump blood around your body. The left side pumps blood from the lungs to the rest of your body, The right side pumps stale blood from your body back to your lungs for a fresh supply of oxygen.

The main function of the heart is to pump blood through the aorta to the rest of the body, as well as through the pulmonary artery to the lungs for reoxygenation.

Your 4 yr old occasionally states his heart hurts and points to his heart you also listened to him w your stethoscope and heard some pretty regular pauses in his heart rate w a questionable murmur?

What if it is his feelings? Or, if it is his stomach? Anything occasional is probably not to worry about. Keep a diary noting when he says that, list the foods he ate and other activities. Take the diary to his next physical.