Term
| What are the respiratory gases? |
|
Definition
|
|
Term
| In which substance does oxygen diffuse more quickly, air or water? |
|
Definition
|
|
Term
|
Definition
| Increase surface area, in larval amphibians and insects. Vulnerable to damage. |
|
|
Term
|
Definition
| Protective body cavities developed. Gill arches support gills. Large surface area and thin tissues. |
|
|
Term
| What types of animals have internal gills? |
|
Definition
| All fish, and many mollusks and arthropods |
|
|
Term
|
Definition
| Spiracles on sides of abdomen. Open and close to regulate gas exchange --> Tracheae. End in air capillaries |
|
|
Term
|
Definition
| Air enters through the oral cavity or nasal passage (Join in the pharynx) |
|
|
Term
|
Definition
| branches into two bronchi |
|
|
Term
|
Definition
| sites of gas exchange in the lungs |
|
|
Term
|
Definition
| surround and lie between the alveoli as a diffusion path between blood and air |
|
|
Term
|
Definition
Produce 2 secretions that affect ventilation.
1. Mucus - lines the airways and captures dirt / microorganisms
2. Surfactant |
|
|
Term
|
Definition
| a group of cells with cilia that sweep the mucus and particles out of the airways |
|
|
Term
|
Definition
| reduces surface tension of a liquid. Released by cells in the alveoli when stretched |
|
|
Term
|
Definition
| Muscle cells, single chain polypeptide with iron molecule. Has a higher affinity for oxygen than hemoglobin. Provides a reserve of oxygen. |
|
|
Term
| Chemical formula for gas exchange. (CO2) |
|
Definition
| CO2 + H2O <--> H2CO3 <--> H + HCO3 |
|
|
Term
| How is CO2 carried in the blood? |
|
Definition
| As bicarbonate ions (HCO3-) |
|
|
Term
| What controls respiration? |
|
Definition
| Autonomic Nervous System of CNS |
|
|
