Body Systems Review

Which muscles does the brain control?

• Smooth muscle

• Involuntary muscles

• Reflexes

• Voluntary Muscles

Why does your heart beat?

• The reflexes in your heart make your heart pump blood.

• The cardiac muscles contract and pump blood through the chambers of your heart.

• You voluntarily send messages from your brain to your heart that tell it to pump blood throughout your body.

• Smooth muscles in the heart move and make the heart pump blood throughout your body.

Which of the following are made of smooth muscles?

• Blood vessels, biceps, lungs

• Biceps, lungs, heart

• Digestive system, lungs, blood vessels

• Heart, lungs, digestive system

What are skeletal muscles used for?

• To aid in body movement

• To pump blood throughout the body

• To assist in breathing

• To send messages from your muscles to your brain

What do your tendons connect muscle to?

• Other muscles

• Bones

• Reflexes

• Organs

What protects the body from things like hot stoves?

• Voluntary muscles

• Tendons

• Reflexes

• Skeletal muscles

Why are you not able to control your reflexes?

• Because they are controlled by your spinal cord.

• Because they are controlled by your brain.

• Because they are controlled by voluntary muscles.

• Because they are controlled by your circulatory system.

Why do humans have bones?

• To protect their organs

• To help take in food and nutrients.

• To aid in breathing.

• To send messages from the brain to other parts of the body.

What is one purpose of cartilage?

• It cushions the bones to keep them from grinding together.

• It allows your head to turn.

• It protects your internal organs.

• It prevents your bones from being broken.

Which bones are not fully moveable?

• The hip bones.

• The leg bones.

• The bones of the skull.

• The arm bones.