Circulatory System
Blood carries this to the cells of the rest of the human body
Oxygen
2 basic jobs of your skeleton
protect jobs of organ
helps you move / support body
two parts of the central nervous system
brain
spinal cord
organism so small it can only be seen through a microscope
microorganism
Oxygen poor blood is pumped back to the heart and then to this organ
The lungs
Skeleton is mostly made up of this
bone
basic working unit of the nervous system
first line of defense against disease causing microorganisms
skin
The heart is made of this kind of muscle
Cardiac Muscle
In addition to supporting the body many bones produce
Blood cells
reflexes are controlled by this part of the central nervous system
spinal cord
protects your body against internal pathogens
immune system
Circulatory system is made up of 3 parts
Heart
Blood Vessels
Blood
An area of your body that has a ball and socket joint
Hip
Shoulder
brain is made up of billions of these
nerve cells
chemical that the body makes to stop pathogens from infecting other cells
antibody
The number of chambers in each side of the heart
2 chambers
Number of bones in the human body
206
Neurons carry information to parts of your body in the form of
electrical signals / electricity
first vaccine was made to defend against
smallpox