Animal Circulatory And Respiratory Systems

Question 1

Porifera

Answer 1

No respiratory or circulatory systems, uses Ostia to breathe and specialized cells

Question 2

Cnidaria

Answer 2

Don’t have a circulatory or respiratory system

Question 3

Platyhelminthes

Answer 3

Don’t have a circulatory or respiratory system, uses diffusion

Question 4

Annelida

Answer 4

Closed circulatory system ( blood is contained within the blood vessels )

Question 5

Mollusca

Answer 5

Has an open circulatory system
uses tissues to transport fluids (diffusion)
Blood can be pumped through one or more hearts

Question 6

Nematoda

Answer 6

No respiratory and circulatory

Question 7

Arthropoda

Answer 7

Open circulatory system ( blood pumped by the heart flows into tissue spaces )
Respiratory system via tracheal system

Question 8

Echinodermata

Answer 8

Has an open circulatory system

fluids flows freely throughout the body

Question 9

Chordata

Answer 9

Has both closed circulatory and respiratory systems

Ventilation and diffusion is done through the respiratory system

Uses the heart as the main muscle that transports materials via veins