Cardiovascular System 3.4

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Where are erythrocytes produced in the body?

In the bone marrow (correct)

In the liver

In the kidneys

In the spleen

What is the primary function of erythrocytes in the body?

To regulate body temperature

To carry oxygen to the tissues (correct)

To remove waste products from the tissues

To carry nutrients to the tissues

What is the average lifespan of erythrocytes in the body?

60 days

120 days

180 days

110 days (correct)

What is the process by which erythrocytes are broken down in the body?

Haemolysis Signup and view all the answers

Where do erythrocytes typically reside in the body unless a blood vessel is damaged?

In the cardiovascular system Signup and view all the answers

Erythrocytes are primarily produced in the liver.

False Signup and view all the answers

The spleen is responsible for producing erythropoietin, a hormone that stimulates erythrocyte production.

False Signup and view all the answers

The average lifespan of an erythrocyte is approximately 30 days.

False Signup and view all the answers

Erythrocytes can leave the cardiovascular system if they are in dire need of oxygen.

False Signup and view all the answers

Haemoglobin plays a crucial role in carrying oxygen to the tissues.

True Signup and view all the answers

Match the following sites with their functions in the erythrocyte lifecycle:

Bone marrow = Production of erythrocytes Spleen = Breakdown of erythrocytes Liver = Breakdown of erythrocytes Kidneys = Production of erythropoietin Signup and view all the answers

Match the following factors with their roles in the erythrocyte lifecycle:

Erythropoietin = Stimulates erythrocyte production Haemoglobin = Carries oxygen to the tissues Haemolysis = Breakdown of erythrocytes Oxygen = Stimulates erythrocyte production Signup and view all the answers

Match the following components with their primary locations in a healthy individual:

Erythrocytes = Cardiovascular system Erythropoietin = Kidneys Haemoglobin = Liver Haemolysis = Spleen and liver Signup and view all the answers

Match the following descriptions with their corresponding components in the erythrocyte lifecycle:

Hormone that stimulates erythrocyte production = Erythropoietin Protein that carries oxygen to the tissues = Haemoglobin Process by which erythrocytes are broken down = Haemolysis Organ where erythrocytes are produced = Liver Signup and view all the answers

Match the following characteristics with their corresponding descriptions in the erythrocyte lifecycle:

Average lifespan = 110 days Primary function = Carry oxygen to the tissues Site of production = Bone marrow Location in a healthy individual = Spleen and liver Signup and view all the answers

What is the function of the iron atom in haemoglobin molecules?

To carry oxygen molecules Signup and view all the answers

Why are erythrocytes packed full of haemoglobin molecules?

To allow them to carry more oxygen Signup and view all the answers

What is oxyhaemoglobin?

Oxygenated haemoglobin Signup and view all the answers

Why do people feel tired when they are iron deficient?

Because iron is necessary for haemoglobin to carry oxygen Signup and view all the answers

How many oxygen molecules can each haemoglobin molecule bind?

Four Signup and view all the answers

What is the function of the iron atom in haemoglobin molecules?

To give haemoglobin its red color Signup and view all the answers

Why are erythrocytes packed full of haemoglobin molecules?

To make them more efficient at carrying oxygen Signup and view all the answers

What is the result of each molecule of haemoglobin being able to bind four oxygen molecules?

Erythrocytes can carry more oxygen Signup and view all the answers

What is deoxyhaemoglobin?

Deoxygenated haemoglobin Signup and view all the answers

What is the significance of oxyhaemoglobin?

It is the state of haemoglobin when it has bound to oxygen Signup and view all the answers

Match the following haemoglobin components with their descriptions:

Protein molecules = Make up the haemoglobin molecule Iron (Fe) atom = Attaches to the protein molecules Oxygen molecules = Carried by the haemoglobin molecule Haemoglobin molecule = Made up of 4 protein molecules Signup and view all the answers

Match the following haemoglobin states with their colours:

Oxyhaemoglobin = Red Deoxyhaemoglobin = Purplish-blue Haemoglobin = No distinct colour Erythrocytes = Reddish-yellow Signup and view all the answers

Match the following erythrocyte characteristics with their benefits:

Packed with haemoglobin molecules = Can carry more oxygen Contain iron = Essential for oxygen binding Produced in the liver = Incorrect - produced in the bone marrow Can leave the cardiovascular system = Incorrect - does not occur under normal conditions Signup and view all the answers

Match the following erythrocyte-related terms with their definitions:

Oxyhaemoglobin = Oxygenated haemoglobin Deoxyhaemoglobin = Deoxygenated haemoglobin Haemoglobin = Protein molecule in erythrocytes Erythrocyte = Red blood cell Signup and view all the answers

Match the following components with their roles in oxygen transport:

Haemoglobin molecule = Binds oxygen molecules Iron (Fe) atom = Allows oxygen binding Erythrocytes = Transports oxygen in the blood Oxygen molecules = Carried by haemoglobin Signup and view all the answers

Each molecule of haemoglobin is made up of 4 ______ molecules that have an iron atom attached to it

protein Signup and view all the answers

Haemoglobin is ______ contained in erythrocytes and is responsible for carrying oxygen

protein Signup and view all the answers

Erythrocytes are packed full of ______ molecules

haemoglobin Signup and view all the answers

______haemoglobin = oxygenated haemoglobin - red

oxy Signup and view all the answers

______haemoglobin = deoxygenated haemoglobin – purplish-blue

deoxy Signup and view all the answers

What is the main way that carbon dioxide is transported in the body?

Dissolved and transported in the serum Signup and view all the answers

What is the primary method by which the body removes carbon dioxide?

Through the exhalation of breath Signup and view all the answers

Why is carbon dioxide transported differently than oxygen?

Because CO2 is less soluble in water Signup and view all the answers

What is the purpose of removing carbon dioxide from the body?

To remove a waste product of tissue metabolism Signup and view all the answers

Cardiovascular System 3.4 - Blood

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Questions and Answers

Where are erythrocytes produced in the body?

What is the primary function of erythrocytes in the body?

What is the average lifespan of erythrocytes in the body?

What is the process by which erythrocytes are broken down in the body?

Where do erythrocytes typically reside in the body unless a blood vessel is damaged?

Erythrocytes are primarily produced in the liver.

The spleen is responsible for producing erythropoietin, a hormone that stimulates erythrocyte production.

The average lifespan of an erythrocyte is approximately 30 days.

Erythrocytes can leave the cardiovascular system if they are in dire need of oxygen.

Haemoglobin plays a crucial role in carrying oxygen to the tissues.

Match the following sites with their functions in the erythrocyte lifecycle:

Match the following factors with their roles in the erythrocyte lifecycle:

Match the following components with their primary locations in a healthy individual:

Match the following descriptions with their corresponding components in the erythrocyte lifecycle:

Match the following characteristics with their corresponding descriptions in the erythrocyte lifecycle:

What is the function of the iron atom in haemoglobin molecules?

Why are erythrocytes packed full of haemoglobin molecules?

What is oxyhaemoglobin?

Why do people feel tired when they are iron deficient?

How many oxygen molecules can each haemoglobin molecule bind?

What is the function of the iron atom in haemoglobin molecules?

Why are erythrocytes packed full of haemoglobin molecules?

What is the result of each molecule of haemoglobin being able to bind four oxygen molecules?

What is deoxyhaemoglobin?

What is the significance of oxyhaemoglobin?

Match the following haemoglobin components with their descriptions:

Match the following haemoglobin states with their colours:

Match the following erythrocyte characteristics with their benefits:

Match the following erythrocyte-related terms with their definitions:

Match the following components with their roles in oxygen transport:

Each molecule of haemoglobin is made up of 4 ______ molecules that have an iron atom attached to it

Haemoglobin is ______ contained in erythrocytes and is responsible for carrying oxygen

Erythrocytes are packed full of ______ molecules

______haemoglobin = oxygenated haemoglobin - red

______haemoglobin = deoxygenated haemoglobin – purplish-blue

What is the main way that carbon dioxide is transported in the body?

What is the primary method by which the body removes carbon dioxide?

Why is carbon dioxide transported differently than oxygen?

What is the purpose of removing carbon dioxide from the body?

How does the body transport carbon dioxide from the cells to the lungs?

What is the primary method by which the body removes carbon dioxide?

How is carbon dioxide mostly transported in the body?

What is the role of the serum in transporting carbon dioxide?

Why is it necessary to remove carbon dioxide from the body?

Where is carbon dioxide transported from in the body?

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