Question

Name the following.
a. A joint that does not allow movement of bones
b. An animal which runs without legs by making loops in its long rope-like body
c. A structure that contracts and relaxes on bending and straightening our arm
d. A joint, which connects our neck to the head of our body
e. A joint that allows movement in all directions and is present at the shoulder​

Answer 1

A. Fibrous joints doesn't allow movements of bone

B. snake

C. Triceps muscle is called extensor muscle because it extends the arm. Triceps muscles contract and straightens the arm ,then the biceps muscles stretches or relaxes.

D. C1, the atlas, has no spinous process and articulates with the occipital condyles of the occiput bone of the skull, forming the occipital-atlanto (OA) joint. It connects the skull to the neck, also providing attachment points for some neck muscles.

E. The joint which helps in movement in all directions is called as? Answer: Ball and socket joints are found at the shoulder and the hip. They are able to move in all directions or in all three dimensions. Hinge joints are found at the elbow and knee and they only allow movement in one direction or in only one plane.

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Answer 2

Answer:

1. immovable or fiberous joint

2. snakes

3. muscles and joints

4. Synovial joints

5. ball and socket joints

Explanation:

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