Advertisements
Advertisements
प्रश्न
The diagram below represents the forelimb of man.
(a) Label the parts marked 1 to 9.
(b) Mention the antagonistic muscles.
(c) Which muscle will contract when the hand is bent?
(d} Name the main bone of pectoral girdle.
(e) Name the type of joint present in shoulder girdle.
Advertisements
उत्तर
(a)
1. Scapula;
2. Shoulder joint;
3. Humerus;
4. Bicep;
5. Tricep;
6. Radius;
7. Tricep
8. Elbow Joint;
9. Ulna.
(b) Bicep muscles and triceps are antagonistic muscles.
(c) Bicep muscles.
(d) Shoulder bones.
(e) Ball and socket joint.
APPEARS IN
संबंधित प्रश्न
What are bones made of? Are the bones living or non living? Give reasons.
Name the longest and the smallest bone of the human body.
How many vertebrae are found in human neck? Give their names.
What are the various parts of a typical vertebra?
Describe the bones of vertebral column.
What is the importance of pectoral and pelvic girdle?
Name the bones that make up upper arm and lower limb of man.
How many bones are there in an adult human being?
What would have happened if our backbone was made of one single bone?
Bones are hard structures and cannot be bent. But, we can still bend our elbow, knee, etc. How is this possible?
