Upper: humerus.
Lower: Radius and ulna
Upper arm = Humerus Lower arm = Ulna and Radius
Upper arm: Humerus Lower Arm: Ulna & Radius
Three: the humerus (upper arm), ulna and radius (lower arm).
No. The 3 main bones of the arm - namely, the humerus, ulna and radius - are all long bones.
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The humerus, radius, and ulna are the bones of your arm. The humerus is the upper arm bone. In the forearm, the radius is the larger bone on the "thumb side," and the ulna is the smaller bone on the "pinkie" side.
The humerus is the bone in the upper arm. The radius and the ulna are the bones in the forearm. The femur is the bone in the thigh. The tibia and the fibula are the bones in the lower leg.
There are two bones in the forearm, the radius and the ulna. The easiest way to remember which one is which is to extend your arm out palm facing vertically. When you look at your forearm your radius is the top bone and the Ulna is the lower bone.Or (as I did) remember it with this sentence: "The Ulna is Underneath."
Your radius and ulna are in your lower arm, and the humerus is in you upper arm. The radius goes from your thumb to your humerus, crossing over the ulna which goes from your pinky to your humerus. Your humerus also connects to your scapula (or shoulder blade) in what is called a "ball and socket" - the rounded end of your humerus fits perfectly into the indent in your scapula. In your fingers, you have carpals, which are your wrist bones; metacarpals, which are the palm of your hand; and phalanges, which are your finger bones.
The elbow connects the upper arm with the lower arm.
The humerus is the bone of the upper arm, not the lower arm/forearm.
There are three, the humerus which is the upper bone from the shoulder to the elbow, then there are two bones between the elbow and wrist called the radius and ulna. When you extent you arm to shake hands with someone, the radius is the bone on top.The arm is the part of the upper limb that goes from the shoulder to the elbow joints and its only bone is the humerus. The resot of the upper limb has the radius and ulna in the forearm, the carpals in the writs, the metacarpals in the palms and the phallangess in the digits.