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

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

• Lower arm muscle

• Triceps

• Biceps

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

• Lower arm bone

• Biceps

• Triceps

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

• Part C stays the same

• Part C bends upwards

• Part C moves straight

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

Which of the diagrams has the triceps contracting?

• A

• B

When muscles contract, they become shorter. True or False

• True

• False

Muscles always work in _______________.

When muscles pull on bones, there will be_____?

• contraction

• noise

• movement

• rubbing

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

The heart is a special muscle that is joined to the chest bone. True or false

• True

• False