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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