The cell shown sends messages throughout the body. Which body system does this cell belong to?
Nervous system
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15
The picture shows actual muscle cells that are working together, and together the cells form muscle _______________
tissue
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15
Which body system's main purpose is to move bones, body fluids, and food?
muscular system
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15
Which body systems sends and receives messages to all parts of the body?
Nervous system
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15
Which organ system is responsible for breaking down food and includes organs such as the esophagus, stomach, and intestines?
digestive system
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15
Which body system eliminates waste and maintains the balance of water and chemicals within the body?
excretory system
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15
Which choice shown in the picture of the levels of organization is the most complex level?
organism
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15
The cell shown carries oxygen and nutrients throughout the body. Which body system does this cell belong to?
circulatory system
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15
Which choice describes your body's ability to maintain a balanced internal condition (through changes like sweating to cool off and increased heart rate to pump more oxygen through the body)? (A) homeostasis (B) growth (C) digestion
(A) homeostasis
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15
The cells shown are 3 different types of muscle cells. Name all 3 types.
cardiac, smooth, and skeletal
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15
What are the 3 main parts of the nervous system?
brain, spinal cord, nerves
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Which organ's function within the body is to keep blood pumping throughout the body?
heart
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15
Oxygen is brought into the body (by breathing it in from the air) and carbon dioxide is removed (by exhaling from the lungs) primarily by which body system?