a)What is joints? b)types of joints? c)total bones in human body? d) which is the element essential for contraction of muscles?e) the shoulder blade is made of...?
Answers
Explanation:
A)
a part of the body where two bones fit together and are able to bend
b)Cartilage. This is a type of tissue that covers the surface of a bone at a joint. ...
Synovial membrane. A tissue called the
synovial membrane lines the joint and seals it into a joint capsule. ...
Ligaments. ...
Tendons. ...
Bursas. ...
Synovial fluid. ...
Meniscus.
c)The human skeleton is the internal framework of the human body. It is composed of around 270 bones at birth – this total decreases to around 206 bones by adulthood after some bones get fused together.
d)Sodium and potassium play essential roles in muscle contraction because of their importance in nerve function
e)The human shoulder is made up of three bones: the clavicle also known as collarbone, the scapula also known as shoulder blade, and the humerus. Scapula connects the humerus with the clavicle. It is a flat bone, almost triangular in shape.
Explanation:
hi Good Morning
a) Joints: the place of articulation between two or more bones is called joints.
b)three types of joints:1)fibrous (immovable;sutures between the bones of skull),b)cartilaginous (slightly movable;between adjacent vertebrae) 3)synovial (movable;filled with synovial fluid).
c)206 bones are present in human body.
d) calcium is an essential element for the contraction of muscles.
e)the shoulder blade is made up of scapula.
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