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BIOLOGY Y11 Patterns in Nature Part II CLOZE PASSAGE No 4 Body systems 2 Complete the following sentences using appropriate words or short phrases a) Arteries carry blood ………………. from the heart Away b) Veins have …………….. to stop the backward flow of blood valves c) The system that carries blood form the heart to the lungs and back to the heart Pulmonary d) Name the largest artery in the body Aorta e) How many chambers has the heart 4 f) The lower chambers are called …………. and the upper chambers are called………. Ventricles/ Atria g) The major vein in the body that returns blood to the heart from the lower body Vena Cava h) Blood is composed of ……….. and ………. blood cells, ……………… and ………….. Red and white/plasma/platelets i) The smallest blood vessels are called capillaries j) Gas carried in the pulmonary artery CO2 k) The filtering units found in the human kidney Nephrons l) Ureter The tube joining the kidney to the bladder m) The kidney ward in a hospital is called the ………….. ward renal n) Water + Urea = ………………. Urine o) Blood entering the kidney flows in via the renal ……….. and exits via the renal ……… Artery / Vein p) The tube that carries urine and exits the body is called the ………………. Urethra q) Name the 2 gases fish excrete through their gills CO2 and NH3 r) Insects and birds produce a paste like waste product called ………….. Uric acid s) Plants take in what gas through their leaves CO2 t) The openings where this gas enters and water escapes are called……… Stomates u) The loss of water through the leaves is called …………….. Transpiration v) Plants use ……………….. tissue to transport sugars and water Vascular w) ……………..conducts water and …………….. carry sugars Xylem /Phloem x) Xylem is strengthened with a substance called ………. Lignin y) All phloem sieve cells are supplied with energy from ……………. cells Companion z) Plants make their own food by a process called ……………….. Photosynthesis