Pre test Gas Exchange

Which of the following is not a structure for gas exchange in plants?

• Stomates

• Lenticels

• Aerial root hairs

• Flowers

The group of vertebrates that relies on gas exchange across the skin as well as at the lungs to maintain sufficient blood oxygen levels is_?

• The fishes

• The reptiles

• The amphibians

• The birds

Which of the following respiratory systems is not closely associated with a blood supply?

• The lungs of a vertebrate

• The tracheal system of an insect

• The gills of a fish

• The skin of an earthworm

When you hold your breath, which of the following gas changes in the blood first leads to the urge to breathe?

• Rising oxygen

• Falling oxygen

• Rising carbon dioxide

• Falling carbon dioxide

Tags

NGSS.HS-LS1-3

What do you call in the uptake of molecular oxygen from the environment and the discharge of carbon dioxide to the environment.

• Gas exchange

• Circulation

• excretion

• digestion

Tags

NGSS.MS-LS2-3