Body Systems-Integumentary, Skeletal and Muscular System

The joint in our elbow is an example of ______.

• ball and socket joint

• Pivot joint

• Hinge joint

• Sutures

Answer explanation

Hinge joint

* The convex surface of one bone fits into the concave surface of the other bone.

* Allows back and forth movement like that of a hinge of the door.

*Present in the ELBOW and ANKLE

The joint present in the shoulder and hip is __________.

• Ball and socket joint

• Hinge joint

• Pivot joint

• Fixed joint

Answer explanation

BALL AND SOCKET JOINT (movable joint)

* The ball like surface of one bone fits into the cup like depression of another bone.

* Allows a person to swing their arms and legs. Free movement in all directions and in circular way.

* Present in the HIP and SHOULDER. These joints are with the widest range of movement.

Skull is a part of _________skeleton

• Axial

• Appendicular

Answer explanation

Parts of Axial Skeleton

* Skull (cranium) along with upper jaw and lower jaw

* Vertebral column (back bone)

* ribs and rib cage

* Sternum (breast bone)

What is the marron color skeleton representing?

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A __________ is a fibrous connective tissue that attaches muscle to bone.

• Tendon

• Ligament

Answer explanation

The bundle of collagen fibers at the end of a skeletal muscle that attaches the muscle to the bone is known as TENDON

The connective tissue that connect muscle to the bone is called TENDON

A _________ is a fibrous connective tissue that attaches bone to bone

• Tendon

• Ligament

Answer explanation

The fibrous connective tissue that connects bone to bone is called LIGAMENT.

The parts colored in brown belong to appendicular skeleton. Name all the parts of appendicular skeleton.

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Answer explanation

Clavicle (collar bone)

Upper limbs (arms and shoulder bones)

Lower limbs (legs and hip bones)

What is protected by the ribs

• brain

• heart

• kidneys

Answer explanation

Ribs protects heart and lungs

Skull protects brain

Hip bones protects kidneys

Which one is NOT the function of the skeletal system?

• storing minerals like calcium and phosphorus

• protecting some internal organs like brain, heart, lungs and kidneys

• Helps in the movement of the body parts by attaching to the muscles with the help of tendons

• Filtration of the waste

Answer explanation

Functions of the Skeletal System:

1. Skeletal system helps in giving shape and support to our body.

2. Skeletal system protects some internal organs like brain, heart, lungs and kidneys.

3. Skeletal system (bones) store mineral ions like calcium and phosphorus.

4. Skeletal system helps us in movement by attaching to the muscles by tendons.

5. Skeletal system (bone marrow) also produce red blood cells, white blood cells and platelets.