Question: Why are leg bones so large compared to other bones in the human body?
Reference answer: The leg bones need to be large because the leg bones carry a lot of weight.

Student answer: To help support people walking.

Student answer: They are larger because your legs hold you up. If your legs are short you could not reach things.

Student answer: Because it has to hold up a lot of weight so it has to be big.

Student answer: They are large because they need the rest of the body to stand up. So it does a lot stronger part of our body.

Student answer: Because it has to carry a lot of weight.

Student answer: Because leg bones have more tissue.

Student answer: They are big because they carry a lot of weight.

Student answer: They are so large because if they were not there you would be a blob.

Student answer: They are big because they are large.

Student answer: Leg bones carry your whole torso.

Student answer: The leg bone is so large because it has to support your body weight.

Student answer: The legs are so large because it needs to hold the weight in the torso.

Student answer: So it can hold the rest of the bones.

Student answer: Leg bones are large because they have to provide support.

Student answer: The bones are large because of the weight it is holding on your body.

Student answer: The leg bones have to be large to hold weight.

Student answer: The leg bones have to hold up a lot of weight.

Student answer: They are so big because they hold most of your body weight.

Student answer: The bone it is the largest because you will not move.

Student answer: It is that big because it needs to carry upper body weight.

Student answer: The leg bones carry most of your body weight.

Student answer: That is where a portion of your weight is.

Student answer: The leg bones help stand up. They hold the most weight.

Student answer: The leg bones are large because they have to support your whole body.

Student answer: The leg bone is large so it can support the weight.

Student answer: They have to support our weight.

Student answer: So that it can lift up all our upper body.

Student answer: Leg bones can let you walk and move.

Student answer: Because leg bones are one of the important bones in your body leg bones are to help you walk.

Student answer: Because they have to hold everything that is on the upper body.

Student answer: To hold your body up.

Student answer: So you can move your legs.

Student answer: Because a cow is bigger than a human.

Student answer: They support your body.

Student answer: So you can stand and move.

Student answer: They are so large because the upper leg holds weight and the lower leg supports your body.

Student answer: They are bigger because they have to support your upper weight.

Student answer: It holds up all the weight.

Student answer: Because you have so much weight on them so it is big because it has to support the weight and the leg is big.

Student answer: The leg bones are so large because they have to support your weight to hold you up.

Student answer: They are large because they need to support the rest of your body.

Student answer: They need to support your weight.

Student answer: Our legs are stronger than our body so it can hold us up.

Student answer: Because the tibia and the fibula and the femur support us.

Student answer: So we can walk.

Student answer: When you walk all your weight goes to your legs.

Student answer: So we can be tall.

Student answer: The leg bones help us walk so we need bigger bones.

Student answer: Because they have to hold the rest of our body.

Student answer: Because its femur is really important.

Student answer: Because they are the ones that make you walk.

Student answer: It holds your body so it needs muscles.

Student answer: To keep stable.

Student answer: Because they have to support the rest of the bones in the human body.

Student answer: They hold all your weight on your body.

Student answer: Because they make you tall.

Student answer: They are stronger than the other bones.

Student answer: Because it makes you walk.

Student answer: Because it holds your weight.

Student answer: They have to be big so they can support you and help you walk.

Student answer: To hold all your body weight.

Student answer: So like your arms will not be laying on the ground. And it does a lot of stuff.

Student answer: Because they need to keep you upright.

Student answer: If your leg bones were not long you could not do certain things.

Student answer: Because they have to hold the human body all the time.

Student answer: To hold you up when you are standing.

Student answer: Because the more we grow up our leg bone gets longer.

Student answer: So they can support us.

Student answer: We need them to walk.

Student answer: Because the leg bones need to balance your whole body from falling down.

Student answer: To help balance you out.

Student answer: Because people need to walk and because everything else is smaller.

Student answer: They are so large because they do most of the work.

Student answer: They need to hold the rest of the skeleton.

Student answer: The leg bones support most of our body.

Student answer: The leg bones are large because it helps our body walk.

Student answer: To make to where we can stand so everything stays up.

Student answer: Because if a neck bone was as large as a leg bone is we would have necks like a giraffe.

Student answer: They are so long because they support our upper body.

Student answer: Our leg bones are so big because we need movement.

Student answer: Because it helps you run walk and bend.

Student answer: The legs help us move. And give us support.

Student answer: Because they help you to stand up and to walk.

Student answer: Because they support us and strong.

Student answer: They are so large because it helps you run fast also it helps you move, walk.

Student answer: It is the biggest part of your body.

Student answer: For it can make you stand up.

Student answer: They hold up your body.

Student answer: Because if we did not have legs we would be on the ground.

Student answer: The legs provide support to the body, that is why.

Student answer: Because your legs help to balance you and for you to walk.

Student answer: Because the leg bones support moving the body.

Student answer: Because the weight of the body if the bones in your legs were small the weight of the body would break those bones.

Student answer: So you are not so small.

Student answer: The leg is the strongest bone in the human body.

Student answer: Because all the body weight is all on top of the leg bones so it is bigger because it has to hold up all the body water.

Student answer: Well all of your weight goes to your legs.

Student answer: They are large because it is used for support.

Student answer: Because of the thighs.

Student answer: Leg bones are so large compared to the human body because they are carrying the weight.