year 4 muscles 2

When lifting objects, does the triceps contracts or relaxes? ____

When muscles pull on bones, there will be_____?

• contraction

• noise

• movement

• rubbing

When muscles contract, they become shorter. True or False

• True

• False

What happens to part C when you pull on part B?

• Part C stays the same

• Part C bends upwards

• Part C moves straight

What is the name of the part labeled 'D'?

• Lower arm bone

• Biceps

• Triceps

The part of the body labeled 'B' is the?

• Lower arm muscle

• Triceps

• Biceps

Type in the names of the bone of the skeleton part labeled 'A'______________ and 'C'______________

Without a skeleton and muscles, we would not able to . . . .

• sleep or eat

• run or walk

• study and stay

• live and own a house

This help the doctor find out whether we have a . fractures. Can the doctor see a fracture in This . . . .

• 
• 
• 
• 

There are . . . bones in baby human.

• 206

• 300

• 260

• 306