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WorksheetsLet's take a breather
Total questions: 20
Worksheet time: 15mins
...(1)... has no nucleus to contain more ...(2)... in its cytoplasm so that more oxygen can be transported throughout the body.
Red blood cell, haemoglobin
White blood cell, antibody
Plasma, water
Platelet, Fibrinogen
The cell that is able to detect microorganisms with its sensitive cell surface membrane, engulf, then digest microorganisms using enzymes in its cytoplasm
Erythrocyte
Phagocyte
Lymphocyte
Thrombocyte
During the process of blood clotting, an inactive blood protein called ...(1)... which is ...(2)... is activated to ...(3)... which is ...(4)... and will form a mesh of fibres to trap red blood cells
Plasma, soluble, platelet, insoluble
Platelet, insoluble, plasma, soluble
Fibrinogen, soluble, fibrin, insoluble
Fibrin, insoluble, fibrinogen, soluble
Exchange of gases and substances occurs here
Artery
Vein
Capillary
All
Write the alphabet where blood is at its greatest pressure
(a)
I is ...(1)... that carries ...(2)... blood to the ...(3)...
Aorta, oxygenated, body tissues
Vena cava, deoxygenated, heart
Pulmonary artery, deoxygenated, lungs
Pulmonary vein, oxygenated, heart
Pacemaker is a region of the heart, to be exact at (a) of heart, that sends electrical signals to ensure the contraction & relaxation of heart keep going.
During ventricular contraction, ...(1)... and ...(2)... valves close, while ...(3)... and ...(4)... valves open, allowing the blood to be pushed out of the heart to the body.
Aortic, pulmonary, bicuspid, tricuspid
Tricuspid, pulmonary, bicuspid, aortic
Bicuspid, aortic, tricuspid pulmonary
Bicuspid, tricuspid, aortic, pulmonary
The build up of fat and cholesterol in the artery
Coagulation
Atheroma
Atherosclerosis
Coronary heart disease
The procedure used to open narrowed or blocked coronary arteries by inserting a catheter with inflated balloon
Atherectomy
Angioplasty
Stenting
Bypass graft
Which one of the following is a non-infectious disease?
COVID-19
STDs
Malaria
Atherosclerosis
The disease-causing organism is called
(a)
Which one of the following is not the body chemical barrier against pathogens
Mucus
Lysozyme
Earwax
Cilia
A study published in the journal Emerging Infectious Disease in the year 2021, stated that 36% of people who had COVID-19 did not develop antibody. Those who developed antibody are the example of
Active & natural immunity
Active & artificial immunity
Passive & natural immunity
Passive & artificial immunity
What is the part labelled X?
(a)
In trachea, (a) cells are responsible for producing mucus to trap microbes and dust
The movement of air in and out of the body
Gas exchange
Ventilation
Respiration
Breathing rate
During inspiration, ...(1)... and ...(2)... happen, which causes the lung volume to increase and air pressure in the lung to decrease, thus air rushes into the lungs.
Internal intercostal muscle contracts, rib cage is pulled upwards & outwards
External intercostal muscle contracts, rib cage is pulled upwards & outwards
Diaphragm contracts and moves downwards
Diaphragm contracts and moves back upwards
Which one of the following is not true about anaerobic respiration?
Produce ethanol, lactic acid, or acetic acid
Sometimes produce carbon dioxide
Release small amount of energy
Occurs in mitochondria
Which one of the following factors does not increase breathing rate?
High altitude
High temperature
High depressants
High adrenaline
