3x Enlarged Human Heart Training Model

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Model Number: NH-77125

Brand: Niche Healthcare

The 3x enlarged heart model features a larger-than-life observational and physical view of the structures of the human heart and is the perfect tool for anatomy education, showcasing a detailed display of the internal structure with its ability to dissect into 3 parts.

SKU: VS71125596 Category: Tag:

Description

Categories         Anatomical Model

Subject               Medical Science

Material              Eco-friendly PVC

Application       School/Hospital/Laboratory

 

The human heart is a vital organ responsible for pumping blood throughout the body. It consists of several key components that work together to maintain circulation and ensure that oxygen-rich blood reaches the tissues while removing carbon dioxide and other wastes. The main components of the human heart include:

Chambers:

  • Right Atrium: Receives deoxygenated blood from the body via the superior and inferior vena cava.
  • Right Ventricle: Pumps deoxygenated blood to the lungs through the pulmonary artery.
  • Left Atrium: Receives oxygenated blood from the lungs via the pulmonary veins.
  • Left Ventricle: Pumps oxygenated blood to the rest of the body through the aorta. It is the most muscular chamber due to the higher force needed to pump blood throughout the body.

Valves:

  • Tricuspid Valve: Located between the right atrium and right ventricle, it prevents backflow of blood when the ventricle contracts.
  • Pulmonary Valve: Located between the right ventricle and the pulmonary artery, it prevents backflow into the ventricle after it pumps blood to the lungs.
  • Mitral (Bicuspid) Valve: Located between the left atrium and left ventricle, it prevents backflow when the ventricle contracts.
  • Aortic Valve: Located between the left ventricle and the aorta, it prevents backflow into the ventricle after it pumps blood into the aorta.

Blood Vessels:

  • Superior and Inferior Vena Cava: Carry deoxygenated blood from the body to the right atrium.
  • Pulmonary Arteries: Carry deoxygenated blood from the right ventricle to the lungs.
  • Pulmonary Veins: Carry oxygenated blood from the lungs to the left atrium.
  • Aorta: The main artery that carries oxygenated blood from the left ventricle to the rest of the body.

Septum:

The muscular wall that separates the right and left sides of the heart, preventing the mixing of oxygenated and deoxygenated blood.

Coronary Arteries and Veins:

These vessels supply the heart muscle (myocardium) with oxygen and nutrients and remove waste products. The main coronary arteries are the left coronary artery (which branches into the left anterior descending artery and the circumflex artery) and the right coronary artery.

Conductive System:

  • Sinoatrial (SA) Node: The natural pacemaker of the heart, located in the right atrium, which initiates the electrical impulses that cause the heart to beat.
  • Atrioventricular (AV) Node: Receives impulses from the SA node and relays them to the ventricles.
  • Bundle of His: A collection of heart muscle cells specialized for electrical conduction, which transmits the electrical impulses from the AV node to the ventricles.
  • Purkinje Fibres: Distribute the electrical impulses through the ventricles, causing them to contract.

Pericardium:

A double-walled sac that encloses the heart, providing protection and reducing friction as the heart beats. It consists of the fibrous pericardium (outer layer) and the serous pericardium (inner layer), which has two parts: the parietal layer and the visceral layer (epicardium).

These components work together to ensure that the heart functions efficiently, maintaining the continuous flow of blood throughout the body to support life.   

 

What Organs Are In The Human Body?

What Organs Are In The Human Body?

 

For more information, contact us 01274 965089 or check out our website at www.nicheofficesolutions.co.uk www.nicheofficesolutions.co.uk/niche-nhs

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