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What type of coronary blood vessel is blocked in a heart attack? *it is a one...

What type of coronary blood vessel is blocked in a heart attack? *it is a one word answer and is not
atherosclerosis
Where is the cell body of the neuron that directly causes SA node cells to depolarize faster? *3 word answer
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Answer #1

Heart attack is biological phenomen in which death of hear muscles starts occuring due lack of blood supply to heart.

A special artery known as "coronary artery " which carry blood to the heart get blocked. Damaged to heart muscle occur due to they are deprieved of oxygen.

Sino atrial node is also known as pace maker as it generates action potential. It is situated at right atrium. A patch of nodal tissue which serve the purpose. Increase in heart rate is carried out by sympathetic nervous system.

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