On each side of the anterior of the thorax you have a superficial pectoralis major and a slightly deeper pectoralis minor. There are also the muscles between the ribs called the intercostals, (external, internal and innermost)
The scientific name for the shoulder muscle is the deltoid muscle.
Heart
what is the scientific name for forearm
Penis
pectorals
The scientific name for the Biceps is "biceps brachii"
The largest chest muscle in a cat's body is the pectoralis minor. In humans, the largest chest muscle if the pectoralis major.
Rectus abdominis muscle
rectus abdominis muscle
Steak is composed of muscle tissue. That's about as scientific as we can get with it.
The diaphragm is the muscle separating the abdomen from the chest
The scientific name for a bum is the gluteus maximus muscle. It is the largest muscle in the human body and is responsible for movement of the hip and thigh.