1
Substances that kill bacteria. They can be used to cure an ilness caused by harmful bacteria
2
A long tube that connect the stomach to the rectum.
3
Two organs that filter blood to remove waste liquids
4
The tube that connects the mouth to the bronchi
5
The practice of keeping yourself and your living and working areas clean in order to prevent ilness and disease
6
Small bags of air in the lungs. Oxygen passes into the blood through...
7
An organ in the body where urine is stored before it´s expelled
8
A substance that is put into the blood and protects the body from a disease
9
Solid waste expelled through the anus
10
Two tubes that connect the trachea to the bronchioles in the lungs
11
The main artery that carries blood from the heart to the rest of the body
12
A liquid produced in the liver which helps to break down food in the stomach
