Skeleton System:
The Skeleton System is the body’s structural framework, providing support, protection, and enabling movement. It also plays vital roles in mineral storage and blood cell production. The skeletal system consists of 206 bones in adults and is divided into two main parts:
1. Axial Skeleton:
- Skull: Protects the brain and forms the face.
- Vertebral Column: A series of 33 vertebrae that protect the spinal cord and support the body.
- Rib Cage: Includes ribs and the sternum, protecting the heart and lungs.
2. Appendicular Skeleton:
- Upper Limbs: Includes the arms, wrists, and hands (e.g., humerus, radius, ulna).
- Lower Limbs: Includes the legs, ankles, and feet (e.g., femur, tibia, fibula).
- Shoulder Girdle: Comprises the clavicle and scapula, connecting the arms to the torso.
- Pelvic Girdle: Composed of the hip bones, supporting the weight of the body and connecting the legs to the torso.
Bone Functions:
- Support: Provides a rigid framework for the body.
- Protection: Shields vital organs, such as the brain, heart, and lungs.
- Movement: Works with muscles to allow movement via joints.
- Mineral Storage: Stores essential minerals like calcium and phosphorus.
- Blood Cell Production: Bone marrow in certain bones produces red and white blood cells.
The skeletal system is essential not only for physical structure and movement but also for maintaining mineral balance and overall health.
Skeleton System Quiz: Questions And Answers :-
Density of bones is greater in-
Shin bone is called as
The Sutures of the skull is an example of
The special types of bones that is fixed into a tendon or a joint capsule
Which is cartilaginous joint ?
Which is not a two joint muscle ?
Clavicle is also known as :
Spondylitis affects primarily
The first vertebrae is called :-
Sternum is the part of
Knee joint is formed with the following bones :-
Number of bones in axial skeleton is
Neck Joint is an example of
Where is 60% of magnesium found in the body?
Who gives shape to the human body
How many ball and socket joints are there in the human body?
The back bone is also called
Which one of the following cannot be done by elbow joint?
“Parietal Bone” is situated in
Which of the following minerals are useful for bones and teeth?
The scapula bone is situated in
Calcium is required for the body to
Zygomatic bone is present in
What is the bone of the neck called?
How many vertebrae are there in the spinal column of children?
Which fluid is filled in the joint?
Biceps and triceps surround –
Why do human bones become weak in old age?
Name the thinnest bone present in the human body?
Which of the following is/are the function(s) of the skeletal system?
I. Supports and protects the body
II. Locomotion
III. Production of blood cell
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