Where Do Flowers Get Their Smell From?
Where Do Flowers Get Their Smell From? Most flowers get their smell from oil produced in their petals. As the oil evaporates into the air, w
Tag
Cells
How Do We Hear Sounds?
How Do We Hear Sounds? When sounds are made, they set up movements in the air. These movements are called sound waves. The cup-like shape of
What Makes Your Foot Go to Sleep?
What Makes Your Foot Go to Sleep? When you sit with your leg doubled up, you are squeezing the blood vessels in your leg so that the blood c
How Can You Tell How Old a Tree Is?
How Can You Tell How Old a Tree Is? There are two ways to find out how old a tree is. The first is to wait until the tree is cut down and co
Do Insects Have Blood?
Do Insects Have Blood? Yes. Not only does an insect have blood, it also has a heart that pumps the blood throughout its body. The heart is a