7LS1.5 Body Systems

The circulatory system works closely with the respiratory system. What would happen if the circulatory system stopped transporting oxygen from the lungs?

• The muscles would become stronger

• The brain and other organs would stop functioning properly
  

• The lungs would stop working
  

• The heart would beat faster to compensate

After eating a large meal, your body starts digesting the food. Which body systems are most directly involved in breaking down and absorbing nutrients?

• Nervous and circulatory systems

• Digestive and circulatory systems

• Muscular and respiratory

• Skeletal and Nervous

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A person accidentally touches a hot stove and quickly pulls their hand away. Which body system is responsible for this rapid response?

• Circulatory system

• Respiratory system

• Nervous system

• Digestive system

After running a mile, you start breathing heavily and your heart rate increases. Why does this happen?

• Your digestive system needs more energy

• Your body needs to get rid of excess oxygen

• Your body is trying to absorb more carbon dioxide

• Your muscles need more oxygen for energy

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A person breaks a bone in their leg. Which two body systems will work together to heal the injury?

• Muscular and respiratory

• Nervous and digestive

• Skeletal and circulatory

• Endocrine and respiratory

A doctor tells a patient they have a low white blood cell count. How might this affect the patient?

• Their bones may become weak

• Their body will have trouble fighting infections

• Their heart will stop beating properly

• Their muscles will shrink

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Why do doctors check your blood pressure when examining your health?

• To see how much oxygen is in your lungs

• To measure how well your heart is pumping blood

• To check if your muscles are strong

• To find out if your bones are healthy

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If the kidneys stop working properly, what might happen?

• The body will not be able to regulate blood sugar levels

• Waste and extra fluids will build up in the body

• The bones will become weak and brittle

• The muscles will stop contracting

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A person is experiencing difficulty moving their arms and legs. Which two body systems might not be functioning properly?

• Respiratory and digestive

• Nervous and muscular

• Skeletal and endocrine

• Circulatory and digestive

What would happen if the small intestine stopped absorbing nutrients?

• The body will store more fat

• The body will carry too much oxygen

• The body would not receive enough energy and nutrients

• The lungs would stop expanding

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