What is the name of the part of the skeleton that protects the brain?
Skull
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What part of the skeleton protects the heart and lungs?
The rib cage
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What is the longest bone in the human body?
The femur (the thigh) the upper part of your leg.
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The backbone (made up of 33 bones) is also called what?
The spine
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What is the name of the bone in the upper arm?
The humerus
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This bone is between your legs and your waist.
The hip bone
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This is the bottom of your skull that holds your teeth.
The jaw
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Why should we exercise regularly?
For healthly body and bones
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To help us move, the muscle will __________________, or tighten.
contract
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Animals with a backbone are called what?
Vertebrates
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What are animals with no backbone called?
invertebrates
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Some invertebrates have a hard skeleton on the outside, called an
Exoskeleton
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How is an exoskeleton useful to an animal?
Exoskeletons support the animal's body and protect the creature from predators, water, and drying out.
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Our muscles need to work in pairs to make the bones move. One muscle contracts and the other _______________ to allow us to bend or straighten our arms and legs.
The other relaxes
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What is a dot plot used for?
A dot plot shows data distribution
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Look at the dot plot and tell me how many students spent 4 hours on homework last week.