INDIAN SCHOOL MUSCAT DEPARTMENT OF SCIENCE SUBJECT: SCIENCE Task Worksheet No: 5 TOPIC : Skeletal System and Nervous System Coordinating Staff: Mrs. Yvette D’souza Date of Issue: 13.08.2015 Name of the student: ___________________ Class V Sec: _____ Roll No: ____ (1) Fill in the necessary words to complete the second pair of related things. (a) Hip : ball and socket (b) Skull : Brain :: :: Elbow : __________________________ Backbone : ______________________________ (c) Arm muscles : Skeletal muscles :: Heart muscles : _____________________________ (d) Balance of the body : Cerebellum : : Swallowing and Sneezing : _________________ (2) Name the following: (a) Network of nerves that run throughout our body. _________________________ (b) A long bone at the center of the chest ______________________________ (c) Most reflex actions are controlled by this ______________________________ (d) Tough elastic substance that holds bones together _______________________ (3) Match the following 1) Cartilage a) Digestive system 2) Skeletal muscle b) Holds the bones together 3) Cardiac muscle c) Muscles in the arm 4) Smooth muscle d) automatic muscles (1)______ (2) _____ (3) ______ (4) _______ (4) Fill in the blanks: (i) _______________________________ gives shape and support to our body. (ii) The ___________________________ protects the brain. (iii) The __________________________ is the thinking part of the brain. (iv) ____________________ nerves carry impulses to the brain. (v)The heart and lungs are protected by the ___________________________. (vi) Reflex actions are due to the messages sent by the ____________________ (vii) Nerves which carry messages from the brain are ______________________ (5) (a) Define the process shown in the diagram below. (b) Name the part of the nervous system which controls this process. Facts!!!!!!!!!! The smallest bone found in the human body is located in the middle ear. The staples (or stirrup) bone is only 2.8 millimeters long Your nose and ears continue growing throughout your entire life Infants blink only once or twice a minute while adults average around 10. As well as having unique fingerprints, humans also have unique tongue prints. The left side of your body is controlled by the right side of your brain while the right side of your body is controlled by the left side of your brain.