Which two systems work together to make the diaphragm move during breathing?

• Muscular and immune

• Muscular and Respiratory

• Circulatory and Respiratory

• Reproductive and immune

The heart and internal organs are made of smooth muscle and contract involuntary.

• True

• False

Nitrogen wastes are carried to the kidneys, converted into urine, and removed from the body.

• Integumentary and Circulatory

• Excretory and Digestive

• Circulatory and Excretory

• Nervous and Circulatory

White blood cells are made in the bone marrow and are carried to sites of injury or disease.

• Skeletal and Digestive

• Immune and Endocrine

• Integumentary and Skeletal

• Immune and Circulatory

Which two systems serve the main function of regulating other body systems?

• Nervous and Digestive

• Digestive and Integumentary

• Nervous and Circulatory

• Nervous and Endocrine

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.

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

Your diaphragm contracts to let air into your lungs. Which systems were involved?

• Respiratory

• Endocrine

• Muscular

• Integumentary

Select all body systems involved in infection defense.

• Integumentary

• Immune/ Lymphatic

• Muscular

• Circulatory

• Skeletal