1 2 3 4 5 6 7 8 9 10 A                   B             C                 D                 E                 F             G                   H         I               J         K               L                 M                   N                   O       P                   Q

ACROSS: B7: any of the hard parts inside a human or animal that make up its frame F4: the natural outer layer which covers a person, animal, fruit, etc. H1: the red liquid that is sent around the body by the heart and carries oxygen and important substances to organs J4: the smallest basic unit of a plant or animal O2: an organ in the body where food is digested Q3: the frame of bones supporting a human or animal body DOWN: 2H: either of the two organs in the chest with which people and some animals breathe 5F: either of a pair of small organs in the body which take away waste matter from the blood to produce urine 7B: the organ inside the head that controls thought, memory, feelings and activity 7L: one of many tissues in the body that can tighten and relax to produce movement 10A: the organ that sends the blood around your body 10H: a group of long thin fibres that carry information or instructions between the brain and other parts of the body