Transport system - blood and vessels

Transport system is not found in:

• Cnidaria

• Annelida

• Mollusca

• Vertebrata

• Arthropoda

Closed circulatory system is characteristic for:

• Vertebrata

• Mollusca

• Arthropoda

• Annelida

• Nematoda

Circulatory system is necessary in some animals because...

• their surface area to volume ratio is very high

• most cells do not have access to the source of oxygen

• lungs must be supplied with oxygenated blood

• they must maintain the high rate of excretion

The highest efficiency of circulatory system is found in:

• reptiles

• birds and mammals

• only mammals

• amphibians

Haemolymph is found in

• insects

• reptiles

• placental mammals

• cndarians

"Blood cells, together with wastes and nutrients, flow out from the heart through the openings and circulate between cells through pores in membranes" - this is description of circulatory system of

• a bee

• a lizard

• an earthworm

• an anemone (ukwiał)

What substance is much more concentrated in blood of hepatic portal vein than in any other blood vessel

• glucose

• urea

• ions

• carbon dioxide

Which one of the following is not a leukocyte?

• basophil

• lymphocyte T

• eosinophil

• thrombocyte

• phagocyte

Which is not adaptation of erythrocytes to their function

• shape of biconcave disc

• no nucleus

• small SA to V ratio

• lack of organelles

• channels for O₂ in plasma membrane

The following illustrations presents

• granulocytes

• lymphocytes

• monocytes

• thrombocytes