PLTW Human Body Systems Exam

Front

Which system includes the brain, spinal cord, and nerves?

Back

Nervous

Front

Which tissue type is responsible for movement?

Back

Muscle

Front

Which bone feature is best for determining sex? Options: Femur, Skull, Pelvis, Humerus

Back

Pelvis

Front

What do restriction enzymes do?

Back

Cut DNA at specific sequences

Front

Which tool separates DNA fragments by size?

Back

Gel electrophoresis

Front

Which part of the brain controls balance and coordination?

Back

Cerebellum

Front

The function of the myelin sheath is to:

Back

Insulate the axon and speed up signals

Front

Reflexes differ from voluntary actions because they:

Back

Are faster and automatic

Front

Neurons transmit signals using:

Back

Electrical and chemical impulses

Front

Which lobe of the brain processes vision?

Back

Occipital