If your toe points towards the ground, which muscle contracts?

Sweating and breathing is an example of differentiation specialization maintaining homeostasis metabolism

Ais a landform that is formed at the mouth of a river from the deposition of sediment carried by the river as the water flows.

Ivan is looking at a cross section of a stem taken from a vascular plant. he sees two different types of vascular tissue: the xylem, which is closer to the center of the stem, and the phloem, located around the xylem, closer to the outside of the stem. how do these two structures work together in a living plant?