3.1 Transport System in Organisms Flashcards
1
Q
What is the transport system in an organism called?
A
The circulatory system
2
Q
What is the importance of the transport system in organisms?
A
To obtain essential materials such as nutrients and oxygen
3
Q
What is the blood flow pattern in fish?
A
Heart → Gills (oxygenation) → Body → Heart
4
Q
What is the blood flow pattern in amphibians and reptiles?
A
Heart → Lungs (pulmonary) → Heart → Body (systemic)
(Note: blood is partially mixed!)
5
Q
What is the blood flow pattern in birds and mammals?
A
Heart → Lungs → Heart → Body
(Double circulation with full separation of oxygenated & deoxygenated blood)