3rd Trimester Benchmark Review # 1

1. What happens when you bend your arm?

Both the biceps and triceps contract

Both the biceps and triceps relax

The bicep contracts and the triceps relaxes

The triceps is stronger than the biceps

2. What interprets information from all of your senses?

Spinal cord

Brain

Heart

Muscles

3. What do the skeletal and muscular system provide?

Reflexes

Support and movement

Protection

Shape and support

4. What does the cochlea do?

Converts sound waves into nerve impulses

Senses vibrations

It's a nerve to the brain

Gives us balance

5. What does the iris do?

Focuses light on the retina

Sends light signals to the brain

Controls the amount of light that gets into your eye

Receives an upside down image

6. Which structure focuses light on the retina?

Iris

Pupil

Cornea

Lens

7. In order to move the muscle in your legs, which two systems work together

Muscular and nervous

Skeletal and muscular

Nervous and skeletal

Circulatory and skeletal