Respiratory System Flashcards
What is the system that is used by humans and other animals for gas exchange called.
The respiratory system
With every breath you take what does your body take in and release.
Your body takes in oxygen and releases carbon dioxide
The oxygen filled air moves through your respiratory system by first entering the ____________ or _______________.
Nose or mouth
After entering the body,the air then passes through the trachea to the two main tubes. What are those tubes called.
Lungs
Once inside the lungs each bronchus divides into smaller and smaller tube witch leads to grape like sacs known as _______________.
Alveoli
While oxygen diffuses from the alveoli into the capillaries what’s other thing does the alveoli receive. HINT: a waste product. This waste product is inhaled while the oxygen enters the circulatory system.
Carbon dioxide
All animals need oxygen, however,some have different ways of getting it.
- Insects use tiny wholes called _______________.
- Fish take oxygen through organs called ______________.
- birds use lungs, but are different because gasses move in only one _________.
- Spiracles
- Gills
- Direction
What does gills of a fish and alveoli have in common.
They both bring oxygen into the organism. They both have a moist surface area for gass exchange.