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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.

500 Questions

What hormone is secreted by the mouth?

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Salivary amylase, also known as ptyalin, is an enzyme secreted by the salivary glands in the mouth that helps in the breakdown of carbohydrates in food.

How does oxygen leave the body?

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Oxygen leaves the body through the process of respiration. During inhalation, oxygen is taken into the lungs and transferred to the bloodstream, where it is then distributed to cells in the body. As cells use oxygen for metabolic processes, carbon dioxide is produced and exchanged back through the bloodstream to the lungs, where it is exhaled out of the body.

How many times can you get a temporary tag?

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The number of temporary tags you can get varies by state and jurisdiction. Generally, most states allow for one temporary tag per vehicle. However, some states may have restrictions on how many temporary tags can be issued for a particular vehicle within a certain time frame. It is best to check with your local Department of Motor Vehicles for specific regulations.

I eat lot of balpam chalkpiece any effect is come?

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Balpam (also known as edible chalk) is not intended for human consumption and can cause health issues if ingested in large amounts. It may lead to digestive problems, constipation, and even blockages in the intestines. It is important to avoid consuming non-food items and seek medical help if you experience any adverse effects.

What is the difference between the Bronze Star and the Purple Heart?

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The Bronze Star is awarded for heroic or meritorious achievement or service in a combat zone, while the Purple Heart is awarded for being wounded or killed in action. The Bronze Star focuses on actions and achievements, while the Purple Heart signifies sacrifice and injury in service.

What was added to the purpl heart because of many injuries?

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The Purple Heart was amended in 1942 to allow for those wounded or killed as a result of enemy action to receive the medal. This change expanded the eligibility criteria beyond those wounded in combat to include those injured or killed through hostile acts by an enemy.

What causes heart rate to increase during a fight or flight response?

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During a fight or flight response, the release of stress hormones like adrenaline (epinephrine) triggers an increase in heart rate. This physiological response is designed to prepare the body for immediate action by supplying more oxygen and nutrients to the muscles and brain.

What is an electrolyte used for?

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Electrolytes are used to conduct electricity in the body and help regulate nerve and muscle function. They are essential for maintaining proper hydration levels and balance of fluids in the body. Electrolytes also play a critical role in maintaining proper pH levels and supporting various biochemical processes.

What is the function of the atrium?

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The thin-walled priming chamber pump of the heart. Each of the two atria lies above the ventricle, separated by a one-way atrioventricular valve. The function of the atrium is to force the last bit of blood into the main pumping chamber (ventricle) before the power stroke to increase the efficiency of pumping.

What do the heartstrings do?

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Heartstrings, also known as chordae tendineae, are strong fibrous cords that attach the valves of the heart to the muscles in the heart wall. They help to prevent the valves from collapsing back into the heart chambers when they close, ensuring proper blood flow through the heart.

Why do vital organ functions slow down during hypothermia?

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Vital organ functions slow down during hypothermia because low temperatures cause decreased enzymatic activity and cellular metabolism, which impairs the body's ability to produce energy. Inadequate energy production leads to reduced organ function and can result in serious complications and organ damage.

How is ventilation controlled in response to changing demands on the body?

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Ventilation is controlled by the respiratory centers in the brainstem, which monitor factors like blood pH, carbon dioxide levels, and oxygen levels to regulate breathing rate and depth. When demands on the body change, such as during exercise or when oxygen levels decrease, the respiratory centers adjust ventilation to meet the body's needs.

What type of ratio is used to measure activity?

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An activity ratio, such as asset turnover or inventory turnover, is typically used to measure how efficiently a company is utilizing its assets to generate revenue. These ratios help assess the company's operational efficiency and effectiveness.

VLDL are poduced in which organ?

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VLDL (Very Low-Density Lipoprotein) is produced in the liver. It is one of the lipoproteins responsible for transporting triglycerides from the liver to peripheral tissues.

How many times do you have to have 4 K to equal 128 MB?

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Assuming you know the difference between binary and decimal:

Binary:

1024K = 1MB

128MB * 1024KB = 131072KB (KB's in 128MB)

131072KB / 4 = 32768 (4KB's in 128MB)

Decimal:

1000K = 1MB

128MB * 1000KB = 128000KB (KB's in 128MB)

128000KB / 4 = 32000 (KB's in 128MB)

If you don't know the difference between binary and decimal, binary is exact values, decimal is the way things are marketed. (IE: A hard drive is marketed as 80GB when in reality you only get 78.125GB)

How many times does 90 go into 5280?

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90 goes into 5280 58 times.

What tissue is found in the vas deferens?

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The vas deferens is lined with pseudostratified columnar epithelium, which helps facilitate the transport of sperm cells. Additionally, it contains smooth muscle tissue that helps propel sperm from the testes to the ejaculatory ducts during ejaculation.

What factors can influence the mip rate of measuring performance?

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Factors that can influence the MIP rate of measuring performance include the level of data accuracy, the appropriateness of key performance indicators (KPIs), the frequency of data collection and reporting, and the alignment of organizational goals with performance metrics. Additionally, the use of technology for data collection and analysis can also impact the MIP rate.

What material is a touchpad made of?

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A touchpad is typically made of a combination of materials such as glass, plastic, and conductive layers. The top surface is often a smooth, durable material like glass that allows for precise touch input, while the layers underneath help transmit the touch gestures to the device for processing.

Sometimes my heart beats so hard I can see my shirt shake does anyone know why it's only happened twice so far in the past month?

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Seeing your shirt shake from your heart beating so hard could indicate palpitations or a rapid heart rate. This can be caused by various factors such as stress, caffeine, dehydration, or an underlying heart condition. If it happens again or becomes more frequent, it's advisable to see a doctor to determine the cause and appropriate treatment.

What organs are in the epigastric region?

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The epigastric region refers to the upper middle portion of the abdominal area. The liver, kidneys, stomach, small intestine, transverse colon, pancreas, and spleen are all in this area.However, not all of these organs are contained entirely to this area and overlap into other regions.

What effect does Chamomile have on hyper coagulation?

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Chamomile may have anticoagulant properties due to its ability to inhibit platelet aggregation and reduce levels of clotting factors. This can help prevent hypercoagulation or excessive blood clotting. However, it is important to consult with a healthcare provider before using chamomile as a potential treatment for hypercoagulation, especially if you are already taking blood-thinning medications.

What effects faulty valves would have on a human's blood flow?

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Faulty valves in the heart can lead to conditions like mitral valve prolapse or aortic stenosis, which can disrupt the normal flow of blood. This can result in symptoms like shortness of breath, chest pain, fatigue, and in severe cases, heart failure. It can also increase the risk of blood clots forming and potentially leading to a stroke.