Types of Circulatory System

UNICELLULAR ORGANISMS AND MULTICELLULAR ORGANISMS SURVIVE THROUGH CONSTANT.....

• intake of nutrients

• supply of carbon dioxide

• exchange of respiratory gases

• expelling waste products

Which organisms below able to survive through only diffusion?

• Amoeba

• Paramecium

• Mitochondria

• All the answer above

Which of the following statement is true about transportation in multicellular organism?

• Has large TSA/V ratio

• Has size that are usually small and thin

• The exchange of substance between body and external cannot happen through diffusion

• The body cells are close to the external environment

Which of the substance(s) is/are listed as WASTE PRODUCT(s) that must be expelled from an organism?

• Oxygen

• Carbon Dioxide

• Nitrogenous Waste

• Carbon Monoxide

Open circulatory system...

• Exists in fish

• Consist of heart and vena cava

• When the heart relaxes, haemolymph flows back into the heart through tiny openings called ostium

• All the answers above are incorrect

Which of the following is the type of circulatory system in fish?

• Closed and complete double circulatory system

• Closed and single circulatory system

• Opened and single circulatory system

• Opened and incomplete double circulatory system

Which of the following is the type of circulatory system in amphibian ?

• Opened and incomplete double circulatory system

• Closed and incomplete single circulatory system

• Closed and complete double circulatory system

• Closed and incomplete double circulatory system

Circulatory system in human

• Complete, closed, double

• Complete, closed, single

• Closed, complete, double

• Double, closed, complete

In pulmonary circulation, deoxygenated blood in the right ventricles is pumped into the lungs via the (a)  

In systemic circulation, oxygenated blood is pumped from the heart through the aorta to all parts of the body, except

(a)