respiratory

Question 1

whta is respi sytem

Answer 1

furnish oxygen and take away waste products & CO2

Question 2

2 major task

Answer 2

external- exchanging air body to envi

internal- bringing oxygen cells and removing co2

Question 3

BREATHING AKA

Answer 3

PULMONARY VENTILATION

Question 4

2 cycling process of pulmonary ventilation

Answer 4

inhiation- draws gases into lungs, diaphragm contracts

exhalation- forces gases out, diapragm goes upward

Question 5

external respiration

Answer 5

air from outside come inside nose

Question 6

nose

Answer 6

• divided by the nasal septum
• containc cilia (hair)
• mositens and warms air

Question 7

pharynx

Answer 7

“throat”
used by both digestive and rpi systems
common pathway fro air and food
posterial to the nasal cavities
later on becmes the esophagus

Question 8

larynx

Answer 8

voicebox
contains vocal chords

Question 9

trachea

Answer 9

eppiglottis- keeps food to not got the trachea
- windpipe
- has rings of cartliage, that helpssupprt trachea and keep it open for air

Question 10

bronchi

Answer 10

conncts the lungs
- secondary and tertiary bronchi
- bronchioles hair like structure/ branches

Question 11

alveoli

Answer 11

where gas exchange happens
made up very think walls
direct contact with cappilaries (very small veins?)

gasses diffuese

Question 12

lungs

Answer 12

priamry organ of respi
has lobes (3 on right lung, and 2 for left– to give space for heart *cardiac notch)