body systems Flashcards
(10 cards)
circulatory system
function : transports oxygen, nutrients, hormones & waste through the blood
key organs : heart, blood, veins
respiratory system
function : brings in oxygen & removes carbon dioxide
key organs : lungs
digestive system
function : breaks down food into nutrients and absorbs them
key organs : mouth, stomach, large intestines, pancreas, liver
excretory system
function : removes waste and maintains water balance
key organs : kidney, bladder
nervous system
function : sends & receives signals to control body functions
key parts : brain, spinal cords, nerves
muscular system
Function: Allows movement and helps with posture and heat production.
Key Organs: Skeletal muscles, smooth muscles, cardiac muscles
Skeletal System
Function: Supports the body, protects organs, and helps with movement.
Key Parts: Bones, joints, cartilage
Immune system
Function: Defends against pathogens and disease
Key Parts: White blood cells, lymph nodes, spleen
Endocrine system
Function: Produces hormones that regulate body functions.
Key Organs: Pituitary gland, thyroid, adrenal glands, pancreas
Reproductive system
Function: Enables reproduction.
Key Organs:
Female: Ovaries, uterus
Male: Testes, penis
