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Human Body Systems

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skeletal system
all the bones in your body that provide shape and support to your body
respiratory system
the structures and organs that help move oxygen into the body and waste gases out of the body
muscle
an organ that can relax, contract, and provide force to move your body parts
voluntary muscle
muscles that you choose to move
involuntary muscle
muscles that you do not consciously control
nutrients
substance in food that provides for cell development, growth and repair
urinary system
body system that removes waste from the blood
kidney
the organ that acts like a filter for the blood; removing excess water, salts, and other waste
function of the small intestine
digestion and absorption of food
function of the large intestine
water absorption
circulatory system
a system that moves nutrients and oxygen through your body and removes waste products
parts of the circulatory system
heart, blood vessels, blood
lymphatic system
system that collects tissue fluid and returns it to the blood
nervous system
body system that sends signals to and from the brain to all parts of the body
endocrine system
body system that uses chemicals called hormones to send messages within the body
integumentary system
body system that provides a protective covering for the body, helps control temperature, and helps provide Vitamin D
alveoli
grapelike clusters of air sacs at the end of each bronchiole where gases are exchanged in and out of the blood
capillary
small blood vessel
reflex
an involuntary, automatic response to a stimulus
blood types
A, B, AB, O