Activity 2
Directions: For each pair of systems listed below, explain how they interact. The first item is done for you.
How they interact
The diaphragm muscle moves to contract and expand the lungs to allow
the exchange of gases.
SYSTEMS
Muscular/
respiratory
Digestive/
skeletal
Respiratory/
circulatory
Circulatory!
nervous
Skeletal/ nervous
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Answer:
Digestive/Skeletal
Skeletal system relies on the nutrients it gains from digestive system to build strong, healthy bones.
Respiratory/Circulatory
Oxygen taken in from the respiratory system moves into blood vessels that then circulate oxygen-rich blood to tissues and cells.
Circulatory/Nervous
The circulatory system provides the brain with a constant supply of oxygen-rich blood while the brain regulates your heart rate and blood pressure.
Skeletal/Nervous
The spinal cord delivers the messages from the brain to the rest of the body.