Muscular System

What system is needed to give shape to the body or help the body move?

• Digestive

• Muscular

• Nervous

• Skeletal

What gives the body shape and mass and support the skeleton and keep it steady which is also responsible for locomotion? It is a body structure made up of bundles of specialized cells called muscle fibers and there are above 650 of it in the body whicha are responsible for different types of movement.

• bones

• muscles

• nerves

• vessels

How many muscles does your face have?

• 49

• 50

• 51

• 52

How many muscles do you use when you smile?

• 14

• 15

• 16

• 17

Less muscles are used when you frown.

• True

• False

There are muscles that move joints. There are muscles that draw the body inwards and muscles that draw the body outwards. Other muscles raise parts of the body, while other muscles lower it. There are long and short muscles as well as big and small muscles.

• False

• True

The three kinds of muscles in the body are the skeletal, smooth, and cardiac muscles. Though muscles are of different kinds, they share common characteristics. They contract and become short. They can relax and return to their original form after the contraction.

• Fact

• Bluff

What kind of muscles are connected to bones where their movement is voluntary, that is, they move under your conscious control whch help us move and give shape to our body?

• cardiac

• rough

• skeletal

• smooth

Skeletal muscles differ in size and shape. They also differ according to the function. For instance, the muscles of the eyes are small and weak becase they only do minimal movement. Those of the thighs and legs are big and strong because they are used for more physically demanding activities such as walking, running, and climbing.

• Bluff

• Fact

Muscles in the face are directly attached to the bones, while the muscles in the arms and legs are attached to the bones through tendons which are bands of strong connective tissues that attach the muscles to the bones. When the muscle contracts, it pulls the tendon, which, in turn, pulls the bone.

• Falls

• False

• Thru

• True