Crucigrama Heart, lungs and lifeVersión en línea Crossword about the circulatory system, respiratory system and reproductive system. por Nerea Lopez 1 The embryo is attached to the planceta by this. 2 We breathe out and the air leaves the body. 3 Muscle underneath the lungs. 4 Two oval-shaped glands where the spermatozoa are produced. 5 Take blood from the heart to the rest of the body. 6 It provides nutrients and oxygen to the embryo. 7 It is a hollow organ with muscular walls. It expands during pregancy to contain the growing FOETUS. 8 It is created when a spermatozoon fuses with an owum. 9 Spongy organs of the respiratory system. 10 Collects, transports and releases gases, nutrients and wate products around the body. 4 3 6 5 7 9 10 8
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