CIRCULATION IN FISH, AMPHIBIANS AND MAMMALS

The organism shown has an open circulatory system.

• TRUE

• FALSE

What is meant by an OPEN CIRCULATORY SYSTEM?

• Does not have blood vessel

• Have blood vessels

• Contain haemolymph

• Contain blood

Name the circulatory system.

• Single and closed circulatory system

• Open circulatory system

• Double, closed and complete circulatory system

• Double, closed and incomplete circulatory system

Choose the correct organism which has this type of circulatory system.

• Dolphin

• Prawn

• Clown fish

• Platypus

Name the type of circulatory system.

• Open circulatory system

• Single and closed circulatory system

• Double, closed and incomplete circulatory system

• Double, closed and complete circulatory system

Name an animal which has this type of circulatory system.

• Turtle

• Salamander

• Porcupine

• Lizard

What is meant by a CLOSED CIRCULATORY SYSTEM?

• Blood flows into hemocoel

• Blood flows in a vessel

• Blood stucks at the end of the vessel

• Blood is always inside the body

How amphibian could increase the intake of oxygen into the blood?

• Oxygen diffuses through the moist skin and lungs

• Take in oxygen through the lungs only

• Keep stationary

• Drink water with oxygen

Which of the following are the similarities between the blood circulation in fish and toad?

• Closed

• One ventricle

• Complete

• Open

Name the type of circulatory system.

• Double, closed and incomplete

• Double, closed and complete

• Single and closed

• Open circulatory