Match the organ to the number showing the order of blood flow in the circulatory system. Start with what happens after the heart pumps blood to the body's cells.
Blood with oxygen
[Choose ]
Blood with carbon dioxide.
[Choose ]
Heart with deoxygenated blood.
[Choose ]
Lungs
[Choose]
Heart with oxygenated blood
[Choose]

Iwill give brainiest to first person who gets it ! what are 3 basic types of interactions we see in an ecosystem?

Which organisms have pharyngeal arches that develop from all three germ layers and go through the same development stages as embryos? 1.bird 2.ladybug 3.starfish 4.snake

Which set of characteristics best describes sedimentary rock? a) largest type of rock, made of organic matter, hardest type of rock b) often contains layers, forms near sources of water, contains fossils c) least abundant type of rock, made of other rocks, made mostly of minerals d) most abundant type in earth's crust, made of magma/lava, contains no fossils