The Circulation System

Haemoglobin is generally found in
1. Platelets
2. White Blood Cells
3. Red Blood Cells
4. Plasma
Which of the following produce antibodies?
1. Red blood cells
2. Platelets
3. Bacteria
4. White blood cells
Oxygen is carried in which of the following components of the blood?
1. Red blood cells
2. White blood cells
3. Plasma
4. Platelets
Carbon dioxide is carried by which of the following components of the blood
1. Red blood cells
2. White blood cells
3. Plasma
4. Platelets
Clotting is carried out with the help of
1. Red blood cells
2. White blood cells
3. Platelets
4. Plasma
Which of the following is not directly involved in the immune system?
1. White blood cells
2. Red blood cells
3. Platelets
4. Plasma
Arteries
1. have thick walls
2. have valves
3. possess a large lumen
4. contain slow moving blood
Which of the following is true?
1. Arteries have thick walls and contain valves
2. Arteries have thin walls and contain fast moving blood
3. Arteries have large lumens and contain slow moving blood
4. Arteries have small lumens and contain fast moving blood
The heart contains the following number of chambers
1. 4
2. 6
3. 2
4. 3
The pulmonary vein carries blood from the
1. lungs to the heart
2. heart to the lungs
3. body to the lungs
4. heart to the upper body
Blood enters the right atrium of the heart through the
1. pulmonary artery
2. pulmonary vein
3. vena cava
4. aorta
There is a valve in the heart which prevents backflow of blood between the
1. left and right atria
2. left and right ventricles
3. the right atrium and the right ventricle
4. the left ventricle and the left atrium
The pulmonary artery contains blood which is
1. oxygen rich
2. rich in carbon dioxide
3. aerated
4. low in carbon dioxide
The pulmonary artery carries blood from
1. the lungs to the left atrium
2. the lungs to the right atrium
3. the right ventricle to the lungs
4. the left ventricle to the lungs
Which of these vessels is one-cell thick
1. capillary
2. vein
3. artery
4. vena cava
The average human adult resting pulse rate is
1. 70 beats per minute
2. 80 bpm
3. 75 bpm
4. 85 bpm
Which of the following chambers of the heart has an extra thick wall?
1. Right atrium
2. Right ventricle
3. left atrium
4. left ventricle

The Circulation System

Quiz