Unit 7- Bodies and Movement

What are the hard parts in the arm?

• Skin

• Tendons

• Bones

• Muscles

How many bones are there in the human body?

• 150

• 250

• 200

• 100

What is the longest and strongest bone in the body?

• Pelvis

• Humerus

• Ribs

• Femur

How do muscles move the bones?

• By expanding

• By tightening

• By hardening

• By softening

How do muscles move the bones?

• By expanding

• By contracting

• By hardening

• By softening

What is the purpose of joints in the body?

• Protect internal organs

• Support the body

• Hold muscles in place

• Allow bending and movement

How do bird bodies differ from human bodies in terms of bones and muscles?

• Birds have feathers, humans have hair

• Birds have heavier bones, humans have lighter bones

• Birds have more joints, humans have fewer joints

• Birds have wings, humans have arms