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Questions and Answers
What is the primary function of red blood cells in the circulatory system?
What is the primary function of red blood cells in the circulatory system?
- Send chemical messages to the nervous system
- Carry nutrients and oxygen to body cells (correct)
- Prevent disease and fight infection
- Carry digestive juices to the stomach
When riding a bicycle, which condition may result from increased energy output by the leg muscles, and how can the body be restored to its normal condition?
When riding a bicycle, which condition may result from increased energy output by the leg muscles, and how can the body be restored to its normal condition?
- Increased carbon dioxide in the blood can be removed by breathing faster (correct)
- Decreased oxygen can be replaced by digesting an apple
- Increased sugars in the blood stream can be diluted by drinking water
- Increased salt wastes can be removed by the heart
What is the role of the endocrine system in the body?
What is the role of the endocrine system in the body?
- It sends electrical messages along the spinal cord to muscles and glands
- It controls bodily functions by means of chemical messengers (correct)
- It controls activities such as speaking, reading, and writing
- It controls voluntary actions
Which statement describes the role of the nervous system in catching a baseball?
Which statement describes the role of the nervous system in catching a baseball?
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Which body system is responsible for taking in oxygen and getting rid of carbon dioxide?
Which body system is responsible for taking in oxygen and getting rid of carbon dioxide?
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