Human Body Chapter 12

You have a new medical bill.

You are healthy and nothing is wrong.

You need to clean your body.

You have paid all your medical expenses.

They are warm-blooded.

They grow body hair.

They produce milk for their young.

They are all alike in every way.

Organs -> Tissues -> Cells -> Systems

Cells -> Organs -> Tissues -> Systems

Cells -> Tissues -> Organs -> Systems

Systems -> Organs -> Tissues -> Cells

Voluntary muscles

Skeletal muscles

Involuntary muscles

Arm muscles

Skeletal muscle

Smooth muscle

Cardiac muscle

Voluntary muscle

Eating fresh fruits and vegetables

Drinking plenty of water

Consuming excessive sugary drinks

Exercising regularly

Cornea, pupil, lens

Pupil, cornea, lens

Lens, pupil, cornea

Cornea, lens, pupil

To vibrate and move the bones of the middle ear

To produce nerve impulses for sound

To send impulses to the brain

To catch sound waves and direct them to the eardrum