human body systems pt 1 Flashcards by aarushi agrawal

Q

function of circulatory system

A

carries substances to & from the cells

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Q

function of respiratory system

A

gas exchange

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Q

function of immune system

A

protects from pathogens

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Q

function of nervous system

A

controls how your body responds

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Q

function of endocrine system

A

secrets hormones

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Q

function of reproductive system

A

creates new life

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Q

function of lymphatic system

A

collects fluid leaked from the circulatory system

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Q

function of skeletal system

A

protects organs, provides shape and support

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Q

function of muscular system

A

enables movement

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Q

function of integumentary system

A

external protection, regulates body temp.

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Q

function of excretory system

A

collects and eliminates cellular waste

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Q

function of digestive system

A

breaks down food & absorbs nutrients

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Q

heart

A

circulatory system

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Q

lungs

A

respiratory system

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Q

white blood cells

A

immune system

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Q

brain & spinal cord

A

nervous system

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Q

glands

A

endocrine system

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Q

sex organs

A

reproductive system

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Q

lymph nodes

A

lymphatic system

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Q

bones

A

skeletal system

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Q

muscles

Study These Flashcards

A

muscular system

Q

skin

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A

integumentary system

Q

kidneys

Study These Flashcards

A

excretory system

Q

stomach & intestines

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A

digestive system

ligaments

connect bone to bone

cartilage

shock absorber between bones

joint

where two bones come together

voluntary muscle

conscious control from the body

involuntary muscle

no conscious control from the body

tendon

connects muscle to bone

epidermis

top layer of skin

dermis

second layer of skin

melanin

brown pigment, helps with UV protection

excretion

process of eliminating waste

urea

cellular waste

urine

fluid waste (includes urea)

calories

amount of energy food contains

atrium

top chamber of the heart

ventricle

bottom chamber of the heart

hemoglobin

oxygen-carrying pigment in blood

inhalation

air is drawn into the lungs

exhalation

air is released from the lungs

pathogen

anything that will cause harm to the body

interneuron

neurons found in the CNS

motor neurons

neurons found outside of the CNS

hormone

deliver messages throughout the body (last longer then nerve impulses)

fertilization

when the sperm and egg combine

menstruation

when the uterus will shed its lining

artery

blood vessel that carries blood AWAY from the heart

vein

blood vessel that carries blood TO the heart