gaseous Exchange

Oxyhaemoglobin gives up O₂ when …

• CO₂ concentrations are high.

• Body temperature is lowered.

• pH values are high.

• O₂ concentrations are higher.

Tags

NGSS.HS-LS1-3

choose the correct answers about alveolus

• surrounded by numerous blood capillary

• large surface area foe gaseous exchange

• thin simple cuboidal epithelium cell

• moist surface of a alveoli

Name the gaseous exchange structure in a root.

• Lenticel

• leaves

• stomata

• Stoma

Name the gaseous exchange structure in a root.

• Lenticel

• leaves

• stomata

• Stoma

What is the role of lime water in test tube A?

• To absorb Carbon (IV) oxide

• To show that atmospheric air has low concentration of Carbon (IV) oxide.

• To absorb Carbon (IV) oxide from the living mammal

• None of the above.

Identify the structure shown

• Alveoli

• Alveolus

• Villus

• Villi

Name the gaseous exchange structure in the organism shown.

• Cell wall

• Cytoplasm

• Vacuole

• Cell membrane

Identify the structure.

• Gills

• Gill filament

• Gill filaments

• Gill

Identify part labelled A.

• Gill bar

• Gill rakers

• Gill filament

• Gill bars

Name part marked B

• Gill rakers

• Gill raker

• Gill bar

• Gill bars