Human Body Systems

transports oxygen, nutrients, and waste; fights infections; helps regulate body temperature

What body system are the brain, nerves, spinal cord part of?

breaks down food; absorbs nutrients; removes food wastes

a group of similar cells that perform the same function

works with the skeletal system, produces movement; helps circulate blood and moves food through the digestive system

what body system are the kidneys, bladder and skin part of?

removes waste (urine, sweat) from the body

supports body; protects internal organs; stores, minerals; produces blood cells

cell, tissue, organ, organ system, and organism

sends messages through your body; controls the body's responses to changes within the body and outside it

the maintenance of a stable internal environment by an organism

a body structure that is composed of different kinds of tissues that work together

muscles that provide force to move your bones

muscles you can not control

what body system are bones, joints, and ligaments part of

How many bones are in the skeletal system?

what are the major functions of the skeletal system?

How do muscles work?

brings in oxygen needed by the cells; removes carbon dioxide from the body

basic unit of structure and function in a living thing

group of organs that work together carrying out major functions

a living thing

tissue in the heart

muscles that control movements inside your body's organs