Question

1. What holds bones together at the joints ?
2. What kind of diet should you take to keep your bones healthy and strong ?
3. Where does the bone marrow occur in our body?
4. Name the two muscles which control the movement of the arm at the elbow joint.
5. Name an animal that does not have bones in its skeletal system.​

Answer 1

1- Ligament

2- Diet rich in calcium and minerals like phosphorus

3- In the spinal chord, the white matter

4- biceps and triceps

5- Jelly Fish.

Answer 2

Answer:

1)ligaments

2)Potassium, vitamin K and magnesium help your body absorb and use calcium.

3)hip and thigh bones.

4)triceps brachii muscle, and is assisted by the much smaller anconeus muscle.

5)Animals without backbones are called invertebrates. Example :- snail, jellyfish.

Hope this helps.

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