Body Systems Flashcards
Digestive System
-Digests food into smaller molecules & absorbs nutrients
Circulatory System
-Transports materials to & from cells
Nervous System
-Sends signals all across the body to control it
Excretory System
-Removes waste products from cellular metabolism & filters blood
Respiratory System
-Takes in oxygen & removes carbon dioxide & water
Skeletal System
-Protects organs
-Provides structural support for the body
-Produces blood cells
-Allows movement
-Stores materials (fats, minerals, etc.)
Muscular System
-Allows for movement by contraction
Endocrine System
-Regulates body activities (homeostasis) via hormones
Immune System
-Fights of foreign invaders in the body
Integumentary System
-1st barrier of defense against infection
-Regulates body temperature
-Removes excretory waste via glands (sweat glands, etc.)
-Protects against UV rays
-Produces vitamin D
Lymphatic System
-Stores & carries WBCs that fight disease
-Collects excess fluid & returns it to blood (2nd circulatory system (can go places other can’t))
Reproductive System
-Allows organisms to reproduce
