Write the type of joint which is used for each of the following movements. a) A cricket bowler bowls the ball. b) A girl moves her head in right and left direction. c) A person lifts weight to build up his biceps. Explain the functions of the human skeleton. b) Describe the importance of any three parts of the human skeleton.
Answers
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120
A- It is a combination of joints that help us in throwing. Saddle joints and hinge joints are majorly involved in such movements.
B- Pivot joint plays the major role in moving head in right and left direction
C- One of the major function of human skeleton is to help us in locomotion. It helps us to keep the posture right.
D- Skull: it protects our brain from injury
Spinal cord: Neural transmission is impossible if we don't have spinal cord which is protected by a vertebral bone
Ribs: it protects our vital organs such as heart and lungs
Answered by
36
Answer:
a- ball and socket
b- pivot
c- hinge
d- gliding
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