Listed below are some of the features of open and closed circulatory system. Arrange them into two categories. a) Usually low pressure system b) Found in vertebrates c) Blood returns to heart rapidly d) High pressure system e) Blood returns to heart slowly f)Found in Arthopods

Some of the features of the body fluids are listed below. Analyse the features and categorise them into two groups. br • Transparent fluid found in tissue space, Extra cellular fluid of the blood. br •Contains 91% water, 7% proteins and 1%. br • inorganic and organic substances. br • Absorbs the digested fats and lipids and transports in the form of chylomicrons.

Regarding the blood vascular system of frog, some statements are given below.Check whether these are True or False and make corrections if necessary. a) Open type. b) Sinus venosus join the right atrium. c) RBC is non-nucleated. d) Circulation is achieved by the pumping action of the heart.

Match the items in columns B and C with A. OR Features of different phyla/class are given below. Identify the phylum/ class and give examples of each group. a) Body is covered by scales, heart is three or four chambered. b) They are exclusively marine, commonly called sea walnuts and shows bioluminescence. c) Body is divided into proboscis, collar and trunk: They have open circulatory system and presence of proboscis gland.