Question 1

What stops blood from flowing backwards through the heart ?

Accepted Answer

The Tricuspid Valve(Between Right Atrium And Right Ventricle ) and Mitral valve(Between Left Atrium And Left Ventricle ) Aortic Valve In The Aorta And Pulmonic valve in Pulmonary artery prevent the blood flow backwards . See heart diagram For Better Understanding given in the blog😉

Question 2

The human cardiovascular system is considered closed because __________.

Accepted Answer

The Heart consist of blood which is purified, as the blood reaches the heart through Arteries And Veins under high pressure ,thus in-order to maintain the pressure inside the heart so that it beats with normal proper rhythm and pump and supply blood to the entire body thus human cardiovascular system is considered closed.

Question 3

what does a heart murmur sound like🤔

Accepted Answer

The sounds of a normal heartbeat are known as “lubb” and “dupp” and are caused by blood pushing on the valves of the heart. The “lubb” sound comes first in the heartbeat and is the longer of the two heart sounds. The “lubb” sound is produced by the closing of the AV valves at the beginning of ventricular systole. 🫀

Question 4

What function do capillaries serve in the cardiovascular system ?

Accepted Answer

Capillaries consist of thin walls that allow oxygen, nutrients, waste products and carbon dioxide to pass through and from in the cardiovascular (heart) system of humans

Question 5

What is the main function of the cardiovascular system🫀 ?

Accepted Answer

The main function of the cardiovascular system is to purify Impure blood (carbon dioxide ) to Rich Pure Oxygenated Blood And To Supply the oxygenated rich blood to the tissues ,organs ,brain and whole body for normal body functioning.

Question 6

how does stress affect your cardiovascular system ?

Accepted Answer

By performing any exercising or workout the level of oxygen demand increases in the body so inorder to meet the required demand of oxygen the breathing level increases thus making the heart beat faster inorder to pump more and more pure oxygenated blood to meet the oxygen demand in the body

Question 7

how blood flows through the heart 🫀🤔?

Accepted Answer

The Detailed Explanation blood flows through the heart is posted on blog ,as this section will be jumbo to read..😴 please check the article in blog

Question 8

What is an Electrocardiogram ?

Accepted Answer

The electrocardiogram (also known as an EKG or ECG) is a non-invasive device that measures and monitors the electrical activity of the heart through the skin. The ECG produces a distinctive waveform in response to the electrical changes taking place within the heart.

Question 9

What creates the lub dub heart sounds ?

Accepted Answer

The sounds of a normal heartbeat are known as “lubb” and “dupp” and are caused by blood pushing on the valves of the heart. The “lubb” sound comes first in the heartbeat and is the longer of the two heart sounds. The “lubb” sound is produced by the closing of the AV valves at the beginning of ventricular systole.

Question 10

The p wave of a normal electrocardiogram indicates?

Accepted Answer

It Represents the electrical depolarization of the atria ,this originates from the sinoatrial node (SA node) in heart

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