LIFE body 2

The only body tissue that can contract or shortened is

• muscle tissue
• connective tissue
• nerve tissue
• epithelial tissue

The organ system that enables the body to move is

• the muscular system

• skeletal system

• circulatory system

• digestive system

Approximately how many bones are there in the human body

• 160
• 260
• 66
• 206

Which organ system supports and protects the body?

• muscular system
• skeletal system
• circulatory system
• digestive system

Joints that allow the bones they connect to move are called

• voluntary joints
• movable joints
• immovable joints
• involuntary joints

Muscles are made of long thin

• fibers
• joints
• tendons
• ligaments

Smooth muscles and cardiac muscles are similar in that both are

• involuntary muscles
• striated muscles
• voluntary muscles
• found in the heart

The joint that allows the vertebrae in the neck to rotate around one another is the

• pivot joint

• ball and socket joint

• hinge joint

• gliding joint

Most of the body's blood cells are produced by the soft material inside the bone called

• yellow marrow
• canal
• joint
• red marrow

Bones are connected to each other by a type of connective tissue called

• muscles
• tendons
• ligaments
• organs