Body Systems Unit Review

Based on the functions in the table, which system is the skeletal system?

• System W

• System X

• System Y

• System Z

Which function is performed primarily by the digestive system?

• exchange of gases between the blood and the environment

• removing wastes from the body

• breakdown of large molecules into smaller ones

• transport of nutrients to cells

A student sees a bird at a feeder. The student identifies the bird as a sparrow. Which organ system did the student use to identify the bird?

• circulatory

• muscular

• nervous

• skeletal

A disorder is associated with certain flaws in the human respiratory system. Which is most likely a typical symptom of this disorder?

• poor vision

• difficulty breathing

• reduced muscle mass

• increased saliva production

Which function do kidneys provide to maintain homeostasis?

• the removal of excess heat from the body

• the removal of carbon dioxide from the body

• the removal of excess oxygen from the blood

• the removal of nitrogenous wastes from the blood

The human body is organized into systems that carry out all functions by working together. Which activity in the body MOST closely describes a relationship between the circulatory system and the digestive system?

• Nutrients are absorbed into the bloodstream.

• Cells make antibodies in response to a virus.

• The kidneys remove harmful wastes from the blood.

• Red blood cells exchange carbon dioxide for oxygen.

The body is made up of many systems that interact with one another. For example, the skeletal system and the muscular system work together to help the body move.

Select the two systems that work together to distribute oxygen to the body.

• muscular system

• digestive system

• lymphatic system

• respiratory system

Which of the following is NOT part of the functions of the circulatory system.

• transport nutrients to cells

• carry oxygen from the lungs

• break down food into nutrients

• remove waste products from the body

• defend the body against foreign invaders

What is the role of the kidneys in the excretory system?

• to digest food

• to remove toxins

• to produce bile

• to oxygenate blood

In which of these organs does MOST absorption of nutrients take place?

• liver

• stomach

• small intestine

• large intestine