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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
The weight of the average human heart is 10-12 ounces for a male and 8-10 ounces for a female. The weight increases with age and is especially noticeable in males.
Man heart weight = 300g
Female heart weight = 200g
How does smoking effect your heart rate?
also, it increases the risks of a heart attack. the nicotine raises heart rate which is very bad. it makes your body work harder than it needs to. smoking causes heart diseases.
Carbon monoxide , in cigarettes, affects the heart by reducing the amount of oxygen the blood cells can carry to the heart and other tissues. This would mean that Susan wouldn't have enough oxygen to breathe properly during the race.
It also damages the lining of the arteries, increasing the build up of plaque that leads to atherosclerosis, which is a condition in which fatty material collects along the walls of arteries. This fatty material thickens, hardens and may eventually block the arteries. This would been the blood couldn't get through to carry the oxygen, again.
A word of advice, don't smoke, it will ruin your life! :(
Blood flows from the left ventricle of the heart to the general circulation through the what?
Deoxygenated blood (from the body) enters the right atrium of the heart through the VENA CAVA; whereas, oxygenated blood (from the lungs) enters the left atrium of the heart through the PULMONARY VEIN.
What is the names of the 4 chambers in the heart?
right atrium,right ventricle,left atrium and left ventricle.
Does oz die in Pandora hearts?
Oz doesn't (i guess) 'like like' her but likes her as a friend also (i guess) he likes her because how she tries to get her memories back and how they are alike (for ex: they were both not wanted) It's confusing.... read the manga
I think that further in the manga, they would practically like each other because Jack is already dead, so don't give your hopes up! -Chocolate♥
The rhythmic sequence of contractions is coordinated by the sinoatrial (SA) and atrioventricular (AV) nodes.
How can you know that you have any heart problem?
By having a complete medical examination by a qualified cardiologist. Which would include a SMACK test, EKG, echo cardiogram, cardio-pulmonary test, and so on.
The former poster is absolutely correct, but I wanted to add that some medications or stress can cause "heart skips" or "missed beats." Many people go into the doctor feeling they are having a heart attack or have heart problems. Some women can have what they call "Mitral Valve Prolapse" so it's best to seek out those tests from a cardiologist to at least set your mind at ease. I've had one and it doesn't hurt one bit.
Unless genetic and you are in your teens to 50 it's highly unlikely you have heart disease, but check it out because of possible genetics in your family.
Please don't wait to see your GP at least and try to get into that cardiologist. You are probably just fine, but don't fool around with something like this. The stress alone will be hard on your body.
Good luck Marcy
i agree with both of the previous posts. a good idea to see if you are at risk is to consider the risk factors (RF's)for cardiovascular disease.
most important RF's- 1. smoker 2. overweight 3. diabetic (type 1, or type 2) 4. high cholesterol 5. family history (1st degree relative with confirmed heart problems)
other rf's include
-being male (up to around 65 yrs old, then the chances are equal between both sexes) -low exercise -type A personality
if you have 3 or more of the top 5 RF's, it would be advisable to speak with your doctor and get regular check ups (every 6 months).
other "red flags" (for which medical attention should be sought) for cardiovascular problems include-
-a "heavy", vice like sensation in the chest. which may, or may not affect your left arm, jaw and/or neck. THIS IS EXCEPTIONALLY IMPORTANT. if you experience this pain for over 20 mins go to emergency IMMEDIATELY. i assure you, you will be chucked in a bed STRAIGHT away.
-swelling of your ankles. test this by pushing your finger firmly on your shins. if there is a dent remaining there for a while, it may indicate a loss of function in your heart
-shortness of breath. with either mild exercise or at rest.
-if you recently feel uncomfortable lying flat (or sleep with more pillows at night)
-cramping calf pain that is predictable with exertion (eg, 100 meters or walking, or 2 flights or stairs)
this is only a guideline. the best way to be sure is to go to your local doctor and ask for a check up. a good GP will always ask about the TOP 5 that I've listed. if he fails to address them, mention them to him and express your concerns.
What are two receiving chambers for blood?
The ventricles are the discharging chambers for the blood. The left pumps blood through the systemic circulation, and the right through the pulmonary circulation.
Could too much Gatorade cause a heart flutter?
Probably not. Be sure to consume other foods in addition to Gatorade. Gatorade is somewhat high in sodium. 8 ounces contains 5% of your daily sodium requirements, about as much as is found in a glass of milk.
What is the average time the heart beats in a day month and year?
The average pulse of an average adult is 72 beats per minute. Since there are 24 hours in a day and 60 minutes in an hour, the number of times an average adult heart beats in a day is 72 x 60 x 24 or 103,680. If you take your own pulse, replace the 72 in that equation with your one minute number of beats to determine how many times your own heart beats in a day. In a month, therefore, let's say 30 days, the average adult heart beats approximately 3,110,400 times, over 3 MILLION! In a year, about 37,843,200 times, almost 38 MILLION! If you live to be 80 years old, your heart could beat around 2,998,656,000 times. This is almost 3 BILLION! The heart is an amazing machine that just keeps beating involuntarily (without us even thinking about it)!
How many flaps of tissue make up the valves between the right atrium and right ventricle?
The antrioventricular valve has two valves. The bicuspid valve has 2 flaps and in located in the right ventricle/right atrium. The tricuspid valve has 3 flaps and is located in the left ventricle/left atrium.
Does the heart pump white blood cells?
White blood cells are the body's infection-fighting cells. Therefore, they fight against any infection that may affect the heart such as bacterial endocarditis. They attach to the disease and kill them off by either "eating them" (phagocytosis) or by other means.
Where is the heart situated in the human body?
In the ribcage
The heart is located in the ribcage.
this would be an 8th grader nd i would just like to say this kid man dude whatever is highly mistaccen the heart is behind ur sturnum
Blood enters the right atrium of the heart from the?
Three vessels drain into the right atrium, the Ascending vena cava, the descending vena cava and the coronary sinus.
What type of activity is the ability of your lungs and heart to supply the muscles with oxygen?
Aerobic
From which part of the heart is blood pumped into the aorta?
The left ventricle pumps blood to the aorta
A high pulse rate is when a person has a resting heartbeat of over 100 beats per minute. This can be caused by many different things and your doctor will most likely want some tests done.
Why does music affect your heart rate?
It effects your heart rate depending on how fast or loud the music is. The faster or louder it is, the faster your heart beats on a very low scale. Of course this effects everyone differently.
When do the AV valve close during the cardiac cycle?
AV valves close during the systole phase of the cardiac cycle.
Where do the lub and dub sounds come from in the heart?
The sounds lub and dub come from the valves in the heart: the Pulmanary and Aartic Valve. When these open and close the form a sort of sound, what is called a lub dub. Therefore, you can tell just about how fast your heart rate is just from listening for the lub dub. Which is what doctors do with a stethoscope.
Pretty Cool, huh? No not really, it's SCIENCE. Bleh. But u need it in life so be proud of yourself for being an educated person and not a dumb hobo living on the street. Ha ha ha ha ha ha ha. Aren't I funny? You best say yes, or I willl come over to yo house and smack you. Dead serious here people.
PS: I'm fromTexas. I have the courage and the GUTS to do it. Watch Out! :D
Is the lungs and the heart are located superior to the abdominal organs?
Yes, the heart and lungs are superior to the organs of the abdomen in that they are located above those organs.
What is the Mitro valve in the heart is called?
I believe you are referring to the "mitral" valve. It is also known as the bicuspid valve. It is the valve between the left atrium and left ventricle.
