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