Cardiovascular and Lymphatic Systems Quiz

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Questions and Answers

What is the primary function of red blood cells in the cardiovascular system?

  • Prevent blood loss
  • Carry oxygen (correct)
  • Produce antibodies
  • Transport nutrients

Which component of blood is primarily responsible for regulating body temperature?

  • Platelets
  • Red Blood Cells
  • White Blood Cells
  • Plasma (correct)

What percentage of blood volume is attributed to plasma?

  • 10-15%
  • 20-25%
  • 45-50% (correct)
  • 60-70%

Which type of blood cell is mainly involved in the clotting process?

<p>Platelets (D)</p> Signup and view all the answers

Which function is NOT performed by white blood cells in the cardiovascular system?

<p>Carry oxygen (A)</p> Signup and view all the answers

What is the primary function of the lymphatic system?

<p>To collect extra fluids and return them to the blood (A)</p> Signup and view all the answers

Which part of the lymphatic system is responsible for filtering pathogens from the blood?

<p>Spleen (B)</p> Signup and view all the answers

What type of cells do lymphocytes help to fight against?

<p>Pathogens (A)</p> Signup and view all the answers

Where do lymphocytes mature to enhance their ability to fight infections?

<p>Thymus (D)</p> Signup and view all the answers

Which of the following organs is NOT part of the lymphatic system?

<p>Liver (C)</p> Signup and view all the answers

What does the diastolic blood pressure measure?

<p>Pressure between heart beats (D)</p> Signup and view all the answers

Which of the following is a consequence of high blood pressure?

<p>Blood vessel clogging and potential bursting (A)</p> Signup and view all the answers

What is the primary cause of a heart attack?

<p>Insufficient oxygen reaching the heart muscle cells (D)</p> Signup and view all the answers

Which condition occurs when the heart cannot pump enough blood to meet the body's needs?

<p>Heart failure (B)</p> Signup and view all the answers

What effect does high cholesterol have on the cardiovascular system?

<p>It builds up and clogs the arteries (B)</p> Signup and view all the answers

Flashcards

What's blood?

Fluid that moves through the cardiovascular system, considered a connective tissue with 4 main components.

What is Plasma?

The liquid part of blood, making up 45-50% of blood volume.

Red blood cells function?

Carry oxygen using a protein called hemoglobin.

Platelets role

Cause blood clotting (forming a scab), also called homeostasis.

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White blood cells job?

Fight infections and destroy pathogens; created in bone marrow.

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Blood Pressure

The pressure exerted by blood on blood vessels' walls.

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Systolic Blood Pressure

The pressure in arteries when the heart beats.

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Heart Attack

Heart cells lack oxygen, leading to cell death.

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High Blood Pressure (Hypertension)

High blood pressure causing possible vessel damage.

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High Cholesterol

Cholesterol buildup in arteries, causing blockages

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Lymphatic System

Organ system that collects extra fluid, returns it to blood, and fights infection

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Lymph

Fluid collected by the lymphatic system

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Bone Marrow

Produces blood cells (including infection fighters).

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Lymphocytes

White blood cells that fight pathogens.

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Spleen

Large lymphatic organ that filters blood and fights infection.

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