Blood circulatory system

Which of the organism does not have blood circulatory system?

• mammals

• reptiles

• insects

• amphibians

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NGSS.MS-LS4-2

Which of the vertebrates have the blood flow through the heart twice?

• reptiles

• birds

• amphibians

• fish

What is the purpose of blood circulatory system in vertebrates?

• digest nutrients

• transmit sensations

• transport essential substances and waste products

• produce carbohydrates

How many chambers in the amphibians' heart?

• one

• two

• three

• four

Which vertebrates have the heart that NOT completely separated?

• amphibians

• mammals

• birds

• reptiles

Oxygenated blood and deoxygenated blood of amphibians are mixed together in the heart.

• True

• False

What are the components in the blood circulatory system?

• heart

• blood

• blood vessel

• kidney

Which vertebrates have the heart that fully partitioned?

• mammals

• reptiles

• birds

• amphibians

In fish, the blood that leaves the heart will travel to which part of the body?

• brain

• dorsal fin

• stomach

• gills

How many chambers in the heart of a fish?

• 1

• 2

• 3

• 4