Worksheets1B practice
Total questions: 10
Worksheet time: 7mins
What is the type of circulation in which the blood is enclosed in blood vessels and enters the heart twice
Single circulation
Double circulation
Open circulation
What is the type of cells which are needed to form a blood clot
(a)
Which of these is an insoluble protein
Prothrombin
Hemoglobin
Fibrin
Fibrinogen
What happens as a compensation at high altitude
Less RBCs produced
Decreased heart rate
Increase in the capillary density
Alveoli get smaller in size
What is the name of the blood vessel which contains only 1 layer
(a)
Which of these is responsible for the stretching and recoiling of the artery
Smooth muscles
Collagen
Endothelium
Elastic fibres
What is the name of the blood vessel that transports the blood to the heart muscle. …….. artery
(a)
Which one of these is the function of the myoglobin
Store oxygen
Transport oxygen
Anaerobic respiration
Which one of these is the chamber with the thickest wall
Right atrium
Right ventricle
Left atrium
Left ventricle
Which one of these not an adaptation related to the movement of blood within the veins
Presence of skeletal muscles
Presence of semilunar valves
Negative intrathoracic pressure
Thick venous walls
