The liquid connective tissue A circulates in our body continuously without stopping. This tissue contains a pigment B which imparts it a colour C. The tissue A consists of four components D, E, F and G. The component D fights infection and protects us from diseases. The component E helps in the clotting of tissue A if a person gets a cut. The component F is a liquid which consists mainly of water with many substances dissolved in it and component G carries oxygen from the lungs to all the parts of the body.
(a) What is (i) tissue A (ii) pigment B, and (iii) colour C ?
(b) Name (i) D (ii) E (iii) F, and (iv) G.
(c) Name one substance (other than oxygen) which is transported by tissue A in the human body
(d) Which two components of tissue A are the cell without nucleus ?
(e) Name any two organism (animals) which do not have liquid like A in their body.

Answer

(a) (i) Blood cells (ii) Haemoglobin (iii) Red (b) (i) White blood cells (ii) Platelets (iii) Plasma (iv) Red blood cells (c) Digested food (d) E (platelets) and G (Red blood cells) (e) Amoeba and Grasshopper