avian respiratory system

Question 1

anterior

Answer 1

anything near the front end of the body

Question 2

posterior

Answer 2

anything nearer the back end of the body

Question 3

bidirectional

Answer 3

breathing that functions in two directions

Question 4

unidirectional

Answer 4

breathing that functions in one direction

Question 5

syrinx

Answer 5

avian “voice box”

Question 6

bronchi

Answer 6

large tubes that connect to the trachea

Question 7

pnuematized bones

Answer 7

“hollow bones” filled with space for air, making them lightweight and better for flying

Question 8

air sacs

Answer 8

sacs in the avian respiratory that permit unidirectional flow of air

Question 9

cervical (spine)

Answer 9

very top part of the vertebrae

Question 10

thoracic (spine)

Answer 10

middle of the vertebrae

Question 11

lumbar (spine)

Answer 11

middle to lower part of the vertebrae

Question 12

sacral (spine)

Answer 12

lower part of the vertebrae

Question 13

coccygeal (spine)

Answer 13

very bottom of the vertebrae

Question 14

clavicle

Answer 14

long slightly curved bone that connects the arm to the body in humans

Question 15

abdomen

Answer 15

front part of the body between the thorax and pelvis

Question 16

alveoli

Answer 16

birds have no alveoli

Question 17

pneumatized bones

Answer 17

“hollow bones” filled with space for air making them lightweight and better for flying

Question 18

how many air sacs do birds have?

Answer 18

nine

Question 19

name all 9 air sacs

Answer 19

x 2 anterior thoracic
x2 posterior thoracic
x2 abdominal
x2 cervical air sacs
x1 interclavicualr air sac