What are skeletal muscles?
Skeletal muscles are attached to the bones
Types of involuntary muscles:
Cardiac muscle and smooth muscle
What is an organ system?
A group of organs that work together to perform a particular job.
How bones and skeletal muscles work together?
They help us move and give the body its shape. Skeletal muscles attach to bones and work in a pulling motion.
What does protects the rib cage?
Heart and lungs
Which joints move in all directions?
Hip joint and shoulder joint
What are voluntary muscles?
Muscles that we can control and use when we decide to.
What are involuntary muscles?
Muscles that we cannot control. They work even if we don't think about it.
What does the skull protects?
Brain
Characteristics of the muscular system
1. Muscles are made of elastic tissue. 2. 650 muscles in human body. 3. That can be voluntary or involuntary.
What is a joint?
It is the connection of bones that help us move.
What are the functions of the skeletal system?
1. Supports the body and helps you move. 2. Some bones protect organs inside the body.
Where can we find cardiac muscle?
Heart. It beats all day and night.
How many bones does the skeleton has?
206 bones
Which joints move ONLY backward and forward?
Elbow joint and knee joint.
What is the function of the muscular system?
It works with the skeletal system to move the body.
Explain pulling motion of the muscles
Muscles work in pairs. When one muscle contracts, the opposite muscle relaxes.
What is the skeletal system?
Consist of bones that form the skeleton.
What systems does the body have?
Digestive, respiratory, nervous, circulatory and skeletal.
Where can we find smooth muscle?
Stomach. The digestion is not controlled by us.