1.
The process of maintaining water and salt balance in the body.
2.
The part of the kidney that filters waste from the blood.
3.
movement of water through a membrane.
4.
The body's way of keeping its internal environment stable.
5.
An organ that removes waste and controls water levels in the body.
6.
A waste product from breaking down proteins, removed in urine.
7.
Small openings in plant leaves that control water loss.
8.
A chemical that controls body functions.
9.
A nerve cell that sends messages in the body.
10.
The tiny gap where nerve signals pass between neurons.
11.
The long part of a neuron that carries signals.
12.
Plant hormones that help with growth.
13.
System The system in the body that makes hormones.
14.
A hormone that helps the body react to stress or danger.
15.
Gland A small organ in the brain that controls other glands.
