Body Systems Reading

Which of these is NOT true of the skeletal system?

• A. The skeletal system allows the body to move.

• B. The skeletal system is a framework of bones.

• C. The skeletal system protects the body’s internal structures.

• D. The skeletal system includes all the muscles in the body.

Muscles connect to bones with structures called _______.

• frameworks

• ligaments

• organs

• tendons

A body system is a group of organs that

• A. work with other organs to help the heart beat.

• B. work together for the sole purpose of movement.

• C. work together to perform a particular function in the body.

• D. include only organs in specific parts of the body, such as the head or arm.

What is an organ?

• A. an area of the body that is separated by two ligaments

• B. a group of many structures that perform more than one function

• C. a structure that carries out a particular function for the body

• D. the skeletal and muscular system that helps the body move

The digestive system is the body system that

• A. breaks down food into substances that can be absorbed and used for energy.

• B. gets rid of the remaining solid waste that cannot be absorbed.

• C. forms a long tube from the mouth to the rectum.

• D. all of the above

Which of these is a major function of the excretory system?

• The excretory system removes oxygen from the body.

• The excretory system regulates the amount of water in the body.

• The excretory system regulates your body functions when you sleep.

• The excretory system prevents nutrients from leaving your body.

What role does the esophagus play in the digestion of food?

• The esophagus breaks up pieces of food through chemical reactions.

• The esophagus pushes food into the throat.

• The esophagus has muscles that push food into the stomach.

• The esophagus produces digestive juices to break down food.

Which of the following is NOT true of the small intestine?

• The small intestine is the longest organ of the digestive system.

• The small intestine is the smallest organ of the digestive system

• The small intestine absorbs most of the digested nutrients that have been broken down

• The small intestine transfers nutrients into the bloodstream.

The respiratory system is the body system that

• gets rid of solid wastes.

• circulates blood throughout the body.

• . protects all the other organs from harm.

• brings oxygen into the body and removes carbon dioxide.

Which of these systems need to interact in order for the body to function?

• the muscular system and the circulatory system

• the excretory system and the respiratory system

• the skeletal system and the muscular system

• all of the above