Cell
the building block of all living things
What are the four tissue types?
1.Epithelial
2.Muscular
3.Nervous
4.Connective
Tissue
A group of cells that are similar in structure and function
Organ
a structure composed of 2 or more tissue types that performs a specific function
Organ System
group of organs that work together to perform a particular body function
What are the 11 organ systems?
1. Integumentary System
2.Skeletal System
3.Muscular System
4.Nervous
5. Endocrine
6.Cardiovascular
7.Lymphatic
8.Respiratory
9.Digestive
10.Urinary
11.Reproductive
Function(s) of the integumentary system
-Excretes salts and urea
-Protects internal organs from external circumstances
-Regulates body temperature
-Produces Vitamin D
Function(s) of the skeletal system
-supports body & internal organs
-Cavities provide a site for blood cell formation
Function(s) of the Muscular system
-contracts or shortens to allow body movement
-Generates heat
Function(s) of the Nervous system
-helps to maintain homeostasis via transmission of electrical signals
-allows body to detect changes in its internal & external enviroment
Function(s) of the Endocrine System
-helps maintain homeostasis
-promotes growth and development
-produces hormones
Function(s) of the Cardiovascular System
-transports blood vessels and blood
-transports blood to and from tissue cells
FUnction(s) of the Lymphatic system
-protects the body against infection and other foreign substances
-cleanses blood of pathogens and other debris
Function(s) of the Respiratory system
-supplies blood with oxygen while removing carbon dioxide
Function(s) of the Digestive system
-breaks down food to particles that can be absorbed into the blood
Function(s) of the Urinary system
-rids urea, uric acid, and other wastes
-maintains water, electrolyte, and acid-based balance of food
Function(s) of the Reproductive System
- provides sperm & eggs