<span>transform movement (2) spreading movement (3) subduction (4) convergence .</span>
Valves ensure blood flows toward your heart. Vein valves work to bring the blood that flowed down via arteries back up to your heart.
Answer:
Schwann - animals are made of cells
Virchow - cells divide
Schleiden - plants are made of cells
Hooke - recognized living cells
Leeuwenhoek - observed cells and coined the term "cell"
Brainliest please! :)
