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100

What is the Cardiovascular system explained?

The cardiovascular system consists of the heart, blood vessels, and blood. Its primary function is to transport nutrients and oxygen-rich blood to all parts of the body and to carry deoxygenated blood back to the lungs. ... We also outline some common cardiovascular system diseases and their associated treatments.

100

What is the main function of heart?

Your heart's main function is to move blood throughout your body. Your heart also: Controls the rhythm and speed of your heart rate. Maintains your blood pressure.

100

Where is heart located?

chest

100

How many valves does the heart have?

The four heart valves, which keep blood flowing in the right direction, are the mitral, tricuspid, pulmonary and aortic valves.

100

What are the 4 types of veins

Veins can be categorized into four main types: pulmonary, systemic, superficial, and deep veins.

200

What are the three main parts?

  • Blood. ...
  • Blood Vessels. ...
  • Heart...
200

How many veins are in the heart?

Blood enters the heart through two large veins, the inferior and superior vena cava, emptying oxygen-poor blood from the body into the right atrium.

200

What is the largest artery?

Aorta


200

What is blood Slideshare?

BLOOD Blood is a special type of fluid connective tissue derived from mesoderm. The branch of science concerned with the study of blood, blood-forming tissues, and the disorders associated with them is called haematology.

200

What are the 3 types of veins?

  • Deep veins are located within muscle tissue. ...
  • Superficial veins are closer to the skin's surface. ...
  • Pulmonary veins transport blood that's been filled with oxygen by the lungs to the heart.
300

What are the four main functions of the cardiovascular system?

  • Circulates OXYGEN and removes Carbon Dioxide.
  • Provides cells with NUTRIENTS.
  • Removes the waste products of metabolism to the excretory organs for disposal.
  • Protects the body against disease and infection.
  • Clotting stops bleeding after injury.
300

What is heart PPT?

 The heart is located in the thoracic cavity • The heart has: 3 layers, 4 chambers, 4 valves • The heart pumps oxygen and nutrient rich blood to the organs, tissues and cells of the body, and eliminates waste products •

300

What is the biggest vein in the body?

inferior vena cava

300

What is the muscle of the heart called?

myocardium

300

How many veins are in the body?

However, everybody has veins and arteries that go to all the parts of the body, so that's at least 34 main veins, and many more smaller veins connecting with the capillaries.


400

What are the four chambers of the heart?

There are four chambers: the left atrium and right atrium (upper chambers), and the left ventricle and right ventricle (lower chambers).

400

What are the 12 parts of the heart?

  • Left atrium and auricle. Left atrium. Left auricle.
  • Right atrium and auricle. Right atrium. Right auricle.
  • Interventricular septum and septal papillary muscles. Interventricular septum. ...
  • Right ventricle and papillary muscles. Right ventricle. ...
  • Left ventricle and papillary muscles. Left ventricle.
400

What are the 5 types of blood vessels?

There are five classes of blood vessels: arteries and arterioles (the arterial system), veins and venules (the venous system), and capillaries (the smallest bloods vessels, linking arterioles and venules through networks within organs and tissues).

400

Which is called the pacemaker of the heart?



The sinoatrial (SA) node or sinus node is the heart's natural pacemaker. It's a small mass of specialized cells in the top of the right atrium (upper chamber of the heart). It produces the electrical impulses that cause your heart to beat. ... These are called demand pacemakers


400

Why is the vein blue?



Veins appear blue because blue light is reflected back to our eyes. ... Blue light does not penetrate human tissue as deeply as red light does. ... In short, our veins appear blue because of a trick that light plays on our eyes and how the light interacts with our body and skin.


500

What is the main organ of the cardiovascular system?

heart

500

What are five facts about the heart?

  • The average heart is the size of a fist in an adult.
  • Your heart will beat about 115,000 times each day.
  • Your heart pumps about 2,000 gallons of blood every day.
  • An electrical system controls the rhythm of your heart. ...
  • The heart can continue beating even when it's disconnected from the body.
500

What is the cardiac cycle?

A cardiac cycle is defined as the steps involving the conversion of deoxygenated blood to oxygenated blood in the lungs and pumping it by the heart to the body through the aorta.

500

What are the two sides of a heart?


Your heart is divided into two separate pumping systems, the right side and the left side. The right side of your heart receives oxygen-poor blood from your veins and pumps it to your lungs, where it picks up oxygen and gets rid of carbon dioxide.


500

What are veins?

Veins are a type of blood vessel that return deoxygenated blood from your organs back to your heart. These are different from your arteries, which deliver oxygenated blood from your heart to the rest of your body. Deoxygenated blood that flows into your veins is collected within tiny blood vessels called capillaries.