Today we will learn about the human heart. The human heart is a muscular organ that pumps blood through a person's arteries and veins. The heart is made up of four chambers, the atria and the ventricles... human heart, organ, blood, atria, ventricles
human heart, person's, atria, ventricles
human heart, muscular organ, arteries and veins
human heart, organ, pumps blood, four chambers

During the late 19th century, russia's settlement and development of siberia was made possible by the invention of the

Which of the following is an example of proximodistal pattern of growth? (a) abbey learning to sit first before learning to stand or crawl (b) alex learning to move his eyes before learning his first words (c) colin learning to stare at moving objects before trying to touch them with his hands (d) polly learning to grab the objects with her whole hands before learning to pick them up with her fingers

How can christianity affect the cultural landscape of a place?