Lab 6 quiz

Besides the lungs, where else can a frog breathe from?

• toes

• eyes

• only from the lungs

• skin

What separates oxygenated blood from deoxygenated blood in a frog's ventricle?

• The frog has two separate ventricles

• The wall

• The spiral valve

• The gills

In what direction do VEINS carry blood?

• Toward the heart

• Toward the brain

• Away from the heart

• Both to and from the heart

How many hearts does a squid have?

• 1

• 2

• 3

• 4

How do squids differ from most invertebrates?

• They live underwater

• They have a closed circulatory system

• They have tentacles

• They do not have wings

What body part can a squid use to help circulate their blood?

• Mantle

• Tentacle

• Ink

• Beak

What is the oxygen bearing protein in squid and what metal is it rich in? (Hint: both are different than in humans)

• Hemoglobin and Aluminum

• Hemocyanin and Gold

• Hemoglobin and Iron

• Hemocyanin and Copper

What type of circulatory system does a starfish have?

• Closed

• Unlocked

• Open

• Locked

What are the functions of the water vascular system? (Pick 2)

• Movement

• Breathing

• Eating

• Nutrient Transport

What is the dorsal sac in the starfish analogous to in vertebrates?

• Lungs

• Heart

• Brain

• Stomach