Human Blood and Circulatory System

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26 Questions

What is the main function of red blood cells?

Responsible for transporting oxygen throughout the body

Which type of blood vessel carries blood away from the heart?

Arteries

What is the function of platelets in the blood?

Assist in blood clotting

Which type of tissue is responsible for contractions of the heart?

Cardiac muscle tissue

Which chamber of the heart is responsible for pumping oxygen-rich blood to all parts of the body?

Left ventricle

What is the main component of plasma?

Protein

What is the main function of the stomach?

To mix and churn food to continue the process of digestion

Which part of the small intestine is responsible for the majority of digestion?

Duodenum

What is the function of the gallbladder?

To store bile and release it into the small intestine

Which organ produces a fluid called bile to aid in the breakdown of fats in food?

Liver

What is the main function of the large intestine?

To absorb water from the ingestible food

Which accessory organ produces an important digestive enzyme and also produces insulin?

Pancreas

What is the diameter of the small intestine?

$2.5cm$

Which part of the esophagus is made up of smooth muscle tissue which can contract and relax?

$3^{rd}$ section

What is the main function of the saliva produced by the salivary glands?

To break up and soften the food

What are the contractions in the esophagus responsible for?

Moving food along to the stomach

What is the main function of white blood cells in the body?

Fighting infections

Which type of blood vessel has thicker walls to support blood moving with higher pressure?

Arteries

What is the primary role of cardiac muscle tissue in the body?

Contractions of the heart

Which component of blood plasma is a protein-rich liquid responsible for carrying blood components?

Plasma

What is the function of capillaries in the circulatory system?

Connect arteries and veins

In which part of the body does the absorption of nutrients into the bloodstream primarily occur?

Small intestine

What is the main function of saliva in the process of digestion?

Mixing with enzymes to chemically break apart food molecules

What is the role of platelets in the circulatory system?

Assisting in blood clotting

Which of these is primarily responsible for removing undigested food materials from the body?

Elimination

What is the primary role of red blood cells in the circulatory system?

Carrying oxygen throughout the body

Test your knowledge about the components of human blood and the circulatory system. Learn about the functions of red and white blood cells, platelets, plasma, and the different types of tissue that make up the circulatory system.

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