Human Body Systems

The digestive and respiratory systems pair together to ...

• bring carbon dioxide and wastes to cells for diffusion.

• bring oxygen and wastes to cells for diffusion.

• bring oxygen and nutrients to cells for cellular respiration.

• bring carbon dioxide and nutrients to cells for cellular respiration.

The immune system fights diseases. The circulatory system pairs with the immune system because ___.

• blood is made in the bones.

• plasma carries nutrients.

• red blood cells carry oxygen.

• white blood cells fight infection.

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Why are the lungs, the major organ of the respiratory system, also considered an excretory organ?

• They get rid of carbon dioxide, a cellular waste

• They get rid of oxygen, a cellular waste

• They get rid of urea, a cellular waste

• They get rid of salt, a cellular waste

How do the skeletal and circulatory systems relate to each other?

• Bone marrow produces blood.

• The heart is made of cardiac muscle tissue.

• The heart is held in place in the chest by ligaments.

• The blood brings carbon dioxide and glucose to the cells of the bones.

All organ systems have this at its most basic unit.

• Cells

• Neurons

• Tissues

• Organs

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What body system helps break down food?

• Respiratory System

• Digestive System

• Nervous System

• Circulatory System

What body system transports nutrients & oxygen to and carbon dioxide and waste from the cells?

• Circulatory System

• Nervous System

• Digestive System

• Respiratory System

What body system takes oxygen into the body and gives off carbon dioxide?

• Circulatory System

• Digestive System

• Respiratory System

• Nervous System

The digestive system is made up of which of the following organs?

• Brain, nerves and spinal cord

• Lungs, trachea and mouth

• Esophagus, stomach, small intestine and large intestine

• Mouth, brain, cells and large intestine

The respiratory system consists of what organs?

• Mouth, stomach, small intestine, large intestine

• Heart, cells, lungs

• Brain, spinal cord, nerves

• Nose, trachea, bronchi, lungs, alveoli