The lizard on the rock is attempting to stay warm and regulate its body temperature. This is an example of _______________ : an animal is maintaining a stable internal state in the body.
This is an example of homeostasis.
Which option shows the correct order of organization within multicellular organisms (from least complex to most complex)?
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cell → organ → organ system → tissue → organism
cell → tissue → organ → organ system → organism
organ → organ system → cell → organism → tissue
The correct order of organization within multicellular organisms, from least complex to most complex, is: cell → tissue → organ → organ system → organism.
The central nervous system is composed of the ___________ and __________ .
The central nervous system is composed of the brain and spinal cord.
You have two kidneys that filter your blood and remove harmful waste. To which body system do the kidneys belong?
The kidneys belong to the urinary system.
In the _________________, food is mixed with acid and enzymes break the food down into nutrients.
In the digestive system, food is mixed with acid and enzymes break the food down into nutrients.
In the _________________, food is mixed with acid and enzymes break the food down into nutrients.
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stomach
esophagus
large intestine