Skeletal System
What is the main job of the skeletal system?
To support the body and protect organs.
Muscles help the body do what?
Move
What organ pumps blood?
The heart
What organ controls the body?
The brain
Where does digestion start?
The mouth
How many bones are in an adult human body
206
What kind of muscle is your heart?
Cardiac Muscle
What carries oxygen in the blood?
Red blood cells
What carries messages from the brain to the body?
The spinal cord
What organ breaks down food with acid?
The Stomach
What part of the body protects your brain?
The Skull
Muscles pull on bones using what?
Tendons
What are the tiny blood vessels called?
Capillaries
What cells send electrical signals in the body?
Neurons
Where are most nutrients absorbed?
The small intestine
What connects bones to other bones?
Ligaments
What happens when muscles work together to move a joint?
They contract and relax
What type of blood vessels carries blood away from the heart?
Arteries
What system helps you react quickly to danger?
The nervous system
What organ makes bile to help digest fat?
The liver
Where are new blood cells made?
In the bone marrow
Name the 3 types of muscle?
Skeletal, smooth, cardiac
What is the liquid part of blood called?
Plasma
What are the 2 main parts of the nervous system?
Central and peripheral
What is the last part of the digestive system?
The large intestine