For example, the humerus, radius and ulna work with your biceps and triceps to curl or extend your arm. Having many joints allows for complex fluid movements so we can do things like kick a ball ...

There is one radius (R1) and one ulna (U1); these are the two bones that connect the wrist and elbow. There are two humerus bones (H1 and H2). The humerus connects the shoulder and the elbow.

Wild birds are protected under the Wildlife and Countryside Act 1981 and it is an offence to intentionally kill, injure or take them except under licence. | ITV News Meridian ...