What is respiration?
Which open system collects fluid and is part of the body's defense mechanism against disease?
What is the lymphatic system?
Where does gas exchange occur in the lungs?
What is the alveoli?
Each alveoli are surrounded by a network of __________.
What are capillaries?
when you inhale you breath in what?
What is oxygen
What removes pathogens and dead cells, contain white blood cells, and may be swollen when the body is fighting an infections?
What are lymph nodes?
What component of blood carries oxygen to the cells?
What are red blood cells?
In which blood vessel does gas exchange occur?
What are capillaries.
What part of the respiratory system divides into smaller and smaller tubes that allow air to reach the lungs?
What are bronchi?
Plasma is primarily made of _____________.
what is water?
The dome shaped muscle that plays an important role in breathing.
What is the diaphragm?