Human Body Systems Quiz

Name (Last, First)

Class Period

• 2nd Period
• 3rd Period
• 4th Period
• 5th Period

Our __ system is responsible for breaking down the food we eat.

Without the __ system, your cells wouldn't get the oxygen or nutrients they need to survive.

Our heart pumps, we digest food, and we move because of the __ system.

Without the __ system, we wouldn't be able to stand or walk. We'd probably just be a blob on the floor.

Because of the __ system, we can see, hear, feel, think.

The heart is a very important organ in the body, and it belongs to two organ systems. Which statement below best explains why?

• The heart is a muscle that pumps blood throughout our bodies. Therefore, it belongs to the cardiovascular and muscle systems.
• The heart is an organ that helps circulate oxygen-carrying blood throughout our bodies. Therefore, it belongs to the circulatory and respiratory system.
• The heart is an organ that helps circulate nutrient-carrying red blood cells throughout our bodies. Therefore, it belongs to the cardiovascular and digestive systems.
• The heart helps to circulate oxygen and nutrients through our bodies. Therefore, it belongs to the digestive and respiratory systems.

The respiratory system brings oxygen into our bodies through our lungs. Oxygen is needed in order for cells to make energy. Which of the following organelles uses this oxygen to make the energy our cells need?

• Cell Wall
• Chloroplast
• Lysosome
• Mitochondria

The human body needs more than one system in order to move. In a paragraph of two to three sentences, identify TWO organ systems that help the body move. In your paragraph, describe what each organ system does to help a person move.