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Insects have a hard outer covering called an exoskeleton. Which process is a function of an insect's exoskeleton and a human's skeletal system?
circulatory system
water and waste products
lungs
structural support
turtle
It carries blood that is high in oxygen.
They are absorbed into the bloodstream by the small intestine.
skin
Urine is a product of the urinary system. What makes up normal human urine?
circulatory system
water and waste products
lungs
structural support
turtle
It carries blood that is high in oxygen.
They are absorbed into the bloodstream by the small intestine.
skin
Animals have body coverings, such as skin, to protect them from extreme temperatures and to blend in with its environment to avoid predators. Which animal has a body covering that best protects it from bites and scratches during a predator's attack?
circulatory system
water and waste products
lungs
structural support
turtle
It carries blood that is high in oxygen.
They are absorbed into the bloodstream by the small intestine.
skin
An ant's antennae sense temperature and pressure. Which human structure serves the same function?
circulatory system
water and waste products
lungs
structural support
turtle
It carries blood that is high in oxygen.
They are absorbed into the bloodstream by the small intestine.
skin
How do nutrients in digested food reach the bloodstream?
circulatory system
water and waste products
lungs
structural support
turtle
It carries blood that is high in oxygen.
They are absorbed into the bloodstream by the small intestine.
skin
Which human body system is similar to a plant's vascular system?
circulatory system
water and waste products
lungs
structural support
turtle
It carries blood that is high in oxygen.
They are absorbed into the bloodstream by the small intestine.
skin
Fish get oxygen from water through their gills. They also use their gills to release carbon dioxide. Which organ in humans is similar to fish gills?
circulatory system
water and waste products
lungs
structural support
turtle
It carries blood that is high in oxygen.
They are absorbed into the bloodstream by the small intestine.
skin
Which statement is true of the large blood vessel called the aorta?
circulatory system
water and waste products
lungs
structural support
turtle
It carries blood that is high in oxygen.
They are absorbed into the bloodstream by the small intestine.
skin
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