3rd Six Weeks Review #1

Which system breaks down food?

• digestive

• circulatory

• respiratory

• immune

Answer explanation

The digestive system breaks down food.

The endocrine system is responsible for

• breathing

• hormones

• blood circulation

• nerves

Answer explanation

The endocrine system is responsible for hormones, including those that make babies.

The heart pumps blood through this system.

• respiratory

• endocrine

• immune

• circulatory

Answer explanation

The heart pumps blood through the circulatory system.

The kidneys are part of this system.

• respiratory

• excretory

• circulatory

• digestive

Answer explanation

The kidneys are part of the excretory system.

Which system senses pain and sends signals to the brain and spinal cord?

• immune

• excretory

• nervous

• circulatory

Answer explanation

The nervous system senses pain and sends signals to the brain and spinal cord.

What system keeps bacteria and viruses from entering your body?

• endocrine

• intergumentary

• nervous

• respiratory

The brain is part of which system?

• Nervous

• Skeletal

• Digestive

• Circulatory

Which system transports oxygen to the organs?

• digestive

• circulatory

• respiratory

• excretory

Answer explanation

The circulatory system provides oxygen to the body.

What system exchanges carbon dioxide for oxygen?

• skeletal

• muscular

• respiratory

• circulatory

What body system breaks down food?

• circulatory system

• nervous system

• digestive system

• respiratory system