Exploring the Human Circulatory System

What is the main function of the heart?

• To pump blood throughout the body.

• To digest food and absorb nutrients.

• To filter waste from the blood.

• To produce hormones for growth and development.

Which blood vessels carry oxygenated blood?

• Capillaries

• Pulmonary arteries

• Veins

• Pulmonary veins and aorta

What do veins primarily transport?

• Nutrients

• Oxygenated blood

• Deoxygenated blood

• Hormones

What is the role of red blood cells?

• To produce insulin in the pancreas.

• The role of red blood cells is to transport oxygen and carbon dioxide in the bloodstream.

• To store nutrients in the liver.

• To fight infections in the body.

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What component of blood helps in clotting?

• Platelets

• Plasma

• White blood cells

• Red blood cells

What is the liquid part of blood called?

• plasma

• serum

• red blood cells

• white blood cells

Which type of blood cell fights infections?

• Red blood cells

• White blood cells

• Plasma cells

• Platelets

What is the pathway of blood through the heart?

• Left ventricle → Aortic valve → Right ventricle → Pulmonary veins → Lungs

• Right atrium → Left atrium → Aorta → Pulmonary arteries → Lungs

• Right ventricle → Tricuspid valve → Left atrium → Aortic valve → Aorta

• The pathway of blood through the heart is: Right atrium → Tricuspid valve → Right ventricle → Pulmonary valve → Pulmonary arteries → Lungs → Pulmonary veins → Left atrium → Mitral valve → Left ventricle → Aortic valve → Aorta.

What do arteries do?

• Arteries carry carbon dioxide-rich blood to the heart.

• Arteries carry oxygen-rich blood away from the heart.

• Arteries are responsible for filtering blood in the kidneys.

• Arteries transport nutrients to the brain.

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What is the primary function of blood in the body?

• To store fat and energy for future use.

• To regulate body temperature and pH levels.

• The primary function of blood is to transport oxygen and nutrients throughout the body.

• To produce hormones and enzymes for digestion.