Body Flashcards
What are the three main organs
Lungs
Heart
Diaphragm
What is the job of respiratory system
Gas exchange to supply oxygen for respiration
Nervous system contains these organs:
Brain
Spinal cord
Nerve cell
Sensory system
What is the job of the nervous system
Detect changes in the internal and external environment and to control the body
What is the job of the skeletal system
Protect, hold up the body, bone marrow to produce blood and to move
How are infectious diseases caused
Micro organism
How are non infectious diseases caused by
Genetics, poor diet,lack of exercise
How can you spread diseases
- Contaminated food
- Touch contact
- Animals
- contaminated water
What is a pathogen
It is a organism that can cause diseases they are usually microorganism sin particular bacteria and viruses
What is bacteria
Bacteria are cells as they live and reproduce inside the body.
What does a vaccination do
This makes people immune
