How do the kidneys maintain homeostasis in the body?
O
A. They send blood to the intestines when osmosis stops.
O
B. They turn on their nephrons when there is too much salt.
C. They remove excess water or salts as the blood is filtered.
O
D. They filter blood more often when there is too much water.

What is the next step in muscle contraction after the actin changes shape? (apex)

The nursing instructor has been observing nursing students initiate an iv infusion. which action(s), if made by the nursing student, indicates that further instruction is needed? (select all that apply.) the nursing student:

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?