Organization Cells- smallest living unit Tissues- group of similar cells Organs- group of tissues doing a job Systems- groups of related organs working together ex...
We will study these Human Systems Has blood, blood vessels, and a heart? Circulatory System Bony support system? Skeletal System
Human Systems Muscular System Produces new humans using sperm and egg? Moves the bones? Muscular System Produces new humans using sperm and egg? Reproductive System
Human Systems Nervous System Controls body by chemicals? Controls body by electricity? Nervous System Controls body by chemicals? Endocrine System
Human Systems Provides oxygen to our cells? Respiratory System Removes wastes? Excretory/Urinary System
Human Systems Gets energy and nutrients out of our food? Digestive System Includes skin and fingernails? Integumentary System
Human Systems Has vessels that work with circulatory system? Lymphatic System Fights germs and viruses? Immune System