9 Respitpry 20-1

Question 1

Nasal and oral cavity

Answer 1

Allows air to enter and has mucus and hair to keep out foreign particles

Question 2

Pharynx

Answer 2

Where moth and nose connect leading to esophagus

Question 3

Epiglottis

Answer 3

A flap of cartilage that covers the windpipe when swallowing

Question 4

Larynx

Answer 4

Is what makes us talk

Question 5

Tranchea

Answer 5

Aka windpipe takes air to the bronchi

Question 6

Bronchi

Answer 6

Leads into left or right lung and has cartilage bands

Question 7

Bronchioles

Answer 7

Bronchi branches into bronchiolies each bronchus (singular) carry air into one of the lungs.

Question 8

Alveoli

Answer 8

Tiny sacs 0.1-.2 mm in diameter.
Surrounded by capillaries.
Sure of gas diffusion between air and blood.

Question 9

Concentration gradient

Answer 9

High to low pressure

*oxygen moves into blood, carbon moves out.

Question 10

Diaphragm

Answer 10

Done shape muscle
Separates chest cavity from abdominal cavity.
regulates pressure

Question 11

Inhalation(inspiration)

Answer 11

Muscle contract and shortens pull downward
Increase in volume, pressure decreases
Air enters lung

Question 12

Exhale (expiration)

Answer 12

Muscle relax and returns original shape

Volume decreases, pressure increases

Air exist lungs

Question 13

External respiration

Answer 13

Exchanges of gas between the environment and the humans body

Question 14

Internal reputation

Answer 14

Gasses exchange including carbon and oxygen in body

Question 15

Cellular respiration

Answer 15

Creates energy and turns oxygen into usable energy