Sistem Rangka dan Fungsinya

The parts of the body where red blood cells are formed are:

• skull

• the ends of the bones

• bone marrow

• spine

The skeleton around the chest, contains the composition of bones that form a circular cage called the rib-cage, its functions are:

• Provides muscle tissue that supports and protects the lungs and heart.

• Gives a strong body shape and has 24 pairs of ribs.

• Producing blood and pumping it throughout the body according to the pulse of the breath.

• Protects the stomach and liver inside

Which of the following is not a function of the skeletal system?

• making blood cells

• pumping blood to all parts of the body

• reservoir for calcium and phosphorus

• provides protection

Humans can carry out movement activities due to good cooperation between active and passive locomotion devices, namely …

• muscle and motoric nerve

• skin and bone

• muscle and skin

• muscle and bones

The skeleton is called a passive locomotion device because....

• it needs joints to not appear stiff

• it is flexible

• it can only move if there is a command from the brain

• it cannot be moved if there are no muscles

Bone marrow is found in the long bones (tubular bones), and functions as a place for the production of blood cells. Which part of the following figure shows the production of red blood cells?

• red marrow

• spongy bone

• yellow marrow

• periosteum

Based on the freedom of motion of the bones towards each other, various types of joints are known, according to the diagram below. Which diagram depicts the saddle joint model (2 directions of freedom of movement)?

• A

• C

• D

• E

Which diagram depicts the saddle joint model (2 directions of freedom of movement)?

• A

• C

• D

• E

Which type of joint best describes the hip joint?

• ellipsoid joint - sendi gulung

• hinge joint - sendi engsel

• saddle joint - sendi pelana

• ball and socket joint - sendi peluru

What type of joint is found in the skull?

• pivot joint - sendi putar

• ball-and-socket joint - sendi peluru

• immovable joint - sendi mati

• hinge joint - sendi engsel