Report Abuse. depends on your definition of Number a Counting Number is 1, 2, 3, etc. that EXCLUDES zero, but, Whole Numbers are Counting Numbers and Zero Integers also include zero. Basically, almost every number system except for Counting Numbers includes zero as a number.
The knee is a ball in socket joint and the elbow is a hinge joint.urface anatomy is the anatomy of the outside of an organ, such as the surface of the skin or surface of the heart, while regional anatomy takes the perspective of an entire a â¦ rea, such as in the thoracic region you would study the heart, lungs, aorta, and intercostal muscles just to name a few.
The knee joins the thigh with the leg and consists of two joints: one between the femur and tibia, and one between the femur and patella. It is the largest joint in the human body. The knee is a modified hinge joint, which permits flexion and extension as well as slight internal and external rotation. The knee is vulnerable to injury and to the development of osteoarthritis. It is often termed a compound joint having tibiofemoral and patellofemoral components.