Revision for PA1- Grade 5

Which of the following protects the brain?

• Ribcage

• Skull

• Spine

• Pelvis

Which bone structure protects the heart and lungs?

• Skull

• Spine

• Ribcage

• Hip bone

Which is the longest bone in the human body?

• Femur

• Tibia

• Humerus

• Spine

What connects bones to muscles?

• Ligament

• Tendon

• Cartilage

• Joint

Which type of muscle is found in the heart?

• Voluntary muscle

• Involuntary muscle

• Cardiac muscle

• Skeletal muscle

What helps muscles to contract and relax?

• Bones

• Joints

• Nerves

• Blood

Imagine Aditi is sitting quietly in a park, enjoying the fresh air. She notices that her heart is beating steadily and her stomach is digesting the food she ate earlier, all without her having to think about it. Which muscles are responsible for these automatic functions?

• Voluntary

• Involuntary

• Skeletal

• Arm muscles

During a fun day at the park, Kiara and Neha are playing a game of tag. As they run around, they notice how their bodies are able to move quickly and easily. Which muscles help them move their arms and legs?

• Smooth muscles

• Cardiac muscles

• Skeletal muscles

• Involuntary muscles

What is the function of joints in the body?

• To digest food

• To help in movement

• To protect bones

• To pump blood

Aarav is playing basketball and wants to make a shot from any angle. Which joint in his body allows him to move his arm in all directions to take the shot?

• Hinge joint

• Pivot joint

• Ball and socket joint

• Fixed joint