P.7 SEMU NOTES ALL TERMS.pdf

SEVEN SCIENCE TERM ONE PRIMARY PREPARED BY MUTAKA SEMU[Type here] [Type here] [Type here] THEME: HUMAN BODY TOPIC: SKELETAL AND MUSCULAR SYSTEM  A skeletal system is a system that supports the body of an animal. Qn. Mention the types of skeleton. animal. End skeleton Qn. What is a skeleton? Qn. What is a skeletal system?  An endo skeleton is a type of skeleton found inside the body of an PREPARED BY MUTAKA SEMU[Type here] [Type here] [Type here]  Endo skeleton  Exo skeleton  Hydrostatic skeleton  Human beings / people  Cows  Dogs  Cats  Goats  Lions  Elephants  Tiger Qn. Give examples of animals that have an endo skeleton.  A skeleton is the structure that supports the body of an animal. Qn. What is an endo skeleton? Qn. What is moulting?  Snails  Slugs  Worms  Star fish  Jelly fish  Caterpillars  Sea urchins. Qn. What is an exo skeleton? Qn. What is a hydrostatic skeleton? Exo skeleton animal is filled with fluids under pressure.  An exo skeleton is a type of skeleton found outside the body of an  A hydrostatic skeleton is a type of skeleton where the body of an Qn. Identify examples of animals with a hydrostatic skeleton.  Insects e.g. mosquitoes, houseflies.  Arachnids e.g. spider, scorpion.  Myriapods e.g. centipedes, millipedes.  Crustaceans e.g. crab , lobster  By moulting or ecdysis Hydrostatic skeleton  Moulting is the periodic loss of cuticles from arthropods. Qn. How do animals with an exo skeleton increase in size or grow? animal. Qn. G