SCI MW Review 9

The main purpose of the ____________ system is to break food particles into pieces that can be used.

• circulatory
• respiratory
• digestive
• skeletal

What is responsible for delivering oxygen and removing carbon dioxide from the body?

• cell nucleus
• excretory system
• nervous tissue
• respiratory system

The __________ is the main organ of the nervous system.

• heart
• lungs
• brain
• skin

The circulatory system uses _________ to deliver oxygen to the rest of the body.

• blood cells
• lungs and nose
• blood vessels
• brain and spinal cord

Which of the following body systems work together for support, protection, and movement?

• respiratory and cardiovascular
• skeletal and muscular
• skeletal and integumentary
• digestive and respiratory

The ______ system helps you move, protects your organs, gives support to the body, and makes red blood cells.

• skeletal system

• muscular system

• digestive system

• respiratory system

The ________ system works with the skeletal system to help you move and provides shape and warmth.

• skeletal

• integumentary

• muscular

• digestive

The _____ system is a transport system, carrying oxygen, carbon dioxide, and wastes to and away from cells using the heart and blood.

• endocrine

• circulatory

• respiratory

• excretory

The ______ system's function is gas exchange. It brings oxygen in and exhales carbon dioxide with the lungs, trachea, and diaphragm

• endocrine

• excretory

• circulatory

• respiratory

This system controls the body using the brain, spinal cord, and nerves.

• nervous system

• endocrine system

• excretory system

• digestive system