Let's take a breather

...(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

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 ....... 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