Weekly Assessment MCQs Paper 2020

(i) The blood is a liquid . cell tissue organ (ii) Red blood cells contain . harmon haemoglobin plasma (iii) Haemoglobin carries to the bodycell. Nitrogen germs oxygen (iv) white blood cells produce . antibodies germs oxygen (v) Platelets help the blood to and stopbleeding. flow clot back (vi) The circulatory system is made up of . lungs stomach Heart (vii) Blood goes through the heart in one complete circulation. twice one time regular (viii) carry blood away from the heart. Veins Arteries lungs (ix) Arteries have wall. thin thick soft (x) have Valves to stop the back-flow of blood. Veins arteries Heart