Podcast
Questions and Answers
What is the main function of the circulatory system?
What is the main function of the circulatory system?
- Regulating body temperature
- Absorbing oxygen
- transport oxygen, nutrients, hormones, and other essential substances to cells throughout the body and to remove waste products, such as carbon dioxide and metabolic byproducts, from those cells (correct)
- Producing red blood cells
Which organs are responsible for absorbing nutrients from the environment?
Which organs are responsible for absorbing nutrients from the environment?
- Heart
- Kidneys
- Digestive system (correct)
- Respiratory system
What is one of the functions of blood as highlighted in the text?
What is one of the functions of blood as highlighted in the text?
- Producing antibodies against infections
- Producing hormones for cell growth
- Absorbing toxins from the environment
- Maintaining ion concentration of the body fluids (correct)
Why is blood considered important in maintaining the internal environment of the body?
Why is blood considered important in maintaining the internal environment of the body?
Which statement accurately describes a function of blood clotting?
Which statement accurately describes a function of blood clotting?
How does blood help in protecting against diseases?
How does blood help in protecting against diseases?
What happens to oxyhaemoglobin when the oxygen concentration is relatively low?
What happens to oxyhaemoglobin when the oxygen concentration is relatively low?
Why is the blood in the arteries (excluding the pulmonary arteries) bright red?
Why is the blood in the arteries (excluding the pulmonary arteries) bright red?
What is the color of haemoglobin?
What is the color of haemoglobin?
Why is deoxygenated blood in the veins (excluding pulmonary veins) dark red?
Why is deoxygenated blood in the veins (excluding pulmonary veins) dark red?
Where does oxygen diffuse after red blood cells release it in the capillaries?
Where does oxygen diffuse after red blood cells release it in the capillaries?
What characterizes oxygenated blood?
What characterizes oxygenated blood?
What is the primary function of erythrocytes (red blood cells)?
What is the primary function of erythrocytes (red blood cells)?
What is the approximate percentage of red blood cells in the total blood volume?
What is the approximate percentage of red blood cells in the total blood volume?
What is the term used to describe the percentage of red blood cells in the total blood volume?
What is the term used to describe the percentage of red blood cells in the total blood volume?
What is the primary function of plasma, the liquid component of blood?
What is the primary function of plasma, the liquid component of blood?
What is the approximate percentage of plasma in the total blood volume?
What is the approximate percentage of plasma in the total blood volume?
Why do red blood cells lack a nucleus?
Why do red blood cells lack a nucleus?
What is the main function of basophils in the body?
What is the main function of basophils in the body?
Which type of lymphocyte is involved in antibody-mediated immunity?
Which type of lymphocyte is involved in antibody-mediated immunity?
What percentage of the blood volume is made up of the formed elements?
What percentage of the blood volume is made up of the formed elements?
Which of the following is a characteristic of the granulocytes?
Which of the following is a characteristic of the granulocytes?
What is the main component of plasma?
What is the main component of plasma?
What is the primary function of leucocytes?
What is the primary function of leucocytes?
Which of the following statements about erythrocytes is false?
Which of the following statements about erythrocytes is false?
What is the approximate lifespan of erythrocytes?
What is the approximate lifespan of erythrocytes?
Where are platelets (thrombocytes) formed?
Where are platelets (thrombocytes) formed?
How do the sizes of platelets and erythrocytes compare?
How do the sizes of platelets and erythrocytes compare?
What is the primary function of platelets (thrombocytes)?
What is the primary function of platelets (thrombocytes)?