Digestive, Circulatory, Respiratory System Test (M)

What is the purpose or function of the circulatory system?

• break down food into usable energy
• exchange gases with the body and the environment
• transport gases and nutrients around the body
• provide structure and support for the body

A series of physical and chemical changes occur during the process of digestion. Which of the following processes best describes a physical change that occurs during digestion?

• Stomach acid breaks down proteins
• Bile breaks down fat
• Saliva breaking down large molecules into smaller molecules
• Chewing food to break down large pieces so they can be swallowed

Which statement best describes the function of the human body system in the above diagram?

• Breaks down food into nutrients and wastes
• Supplies oxygen to blood and removes carbon dioxide from blood
• Provides support and movement for the body
• Produces and secretes hormones which regulate metabolism, growth, and development

Which of the following is not an organ in the respiratory system?

• heart
• lungs
• diaphragm
• nose

Which organ system is responsible for transporting oxygen throughout the organism?

• Endocrine system
• Respiratory system
• Excretory system
• Circulatory system

The portion of the blood that helps defend your body against infection and invading pathogens (germs) is called -

• red blood cells
• white blood cells
• platelets
• plasma

Which of the following options describes the purpose and role of the digestive system?

• breaks down food in order to provide energy for the body
• exchanges gases between the body and the environment
• breaks down wastes in order to provide oxygen for the body
• acts as the command and control center for the body

Of the following options, which organ is not a part of the digestive system?

• kidney
• stomach
• liver
• small intestine

Of the options listed below, what is the purpose or role of the respiratory system?

• provide shape, structure, and support for the body
• protect the body against harmful germs
• exchange gases between the body and environment
• transport gases and nutrients throughout the body

What is the path that oxygen takes as it enters the body?

• nose - diaphragm - windpipe - lungs
• lungs - windpipe - alveoli - nose
• nose - windpipe - lungs - alveoli
• none of the above