why do biceps bulge?

What is a Roomba?

• A type of human-like robot

• A type of car

• A vacuum cleaner robot

• A robotic arm

What is the main challenge in making human-like robots?

• Teaching them to speak

• Making them do all the same things humans can do

• Making them look like humans

• Finding enough materials

What do robots use as fuel?

• Water

• Sunlight

• Food

• Electricity

What part of the human body is similar to a robot's computer?

• The lungs

• The stomach

• The brain

• The heart

What are the rods inside our body called?

• Bones

• Muscles

• Tendons

• Strings

What do we call the places where bones meet and can move?

• Joints

• Sockets

• Links

• Hinges

What pulls on the strings in our body to make bones move?

• Springs

• Muscles

• Wires

• Motors

What is the scientific name for the strings that connect muscles to bones?

• Ligaments

• Fibers

• Tendons

• Cords

What happens to a muscle when it bulges?

• It gets shorter

• It gets longer

• It disappears

• It stays the same

Where is the muscle that controls your fingers located?

• In your shoulder

• In your hand

• In your upper arm

• In your lower arm