The Human Body- pausing point

Your heart is one of your most important

Tissues are made up of similar

The tissue that forms protective barriers is called ___________ tissue.

Organs are made up of

Body systems are made up of different

Anton van Leeuwenhoek

The digestive and excretory ___________ process your food and waste

Every organ in they body has a special job, or

The smallest unit of human life are called