Question

7. Which of the following are true:

a. Cartilage is not as hard as bone.

b. Bones move from every joint.

c. Knee has hinge joint

d. The body of fish is streamlined.

8. What type of substance is secreted by earthworm?

9. How muscles work in movement of bones?​

Answer 1

Answer:

1 - False

2 - True

3 - True

4 - True

Mucus ( Coelomic fluid ) is secreted by earthworm .

Muscle provide the tug on the bones needed to bend , straight and support joints

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Answer 2

Q1

1 False

2 False

3 True

4 True

Q2

Ans1 Sticky substance

Q3

Ans1 Muscles help in the movement by biceps and triceps

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