Pumps blood through the body.
Topics:Malaria Nutrients in Food Epidemiology Skull Benefits of Physical Activity Microbiology Nursing Vocabulary Inheritance Food and Nutrition Immune System Asexual Reproduction Hospitality Healthy Living Body Nutrition and Calorific Value
Other quiz: Biodiversity
The ecosystem approach to conservation is partly based on the idea that:
A. a healthy biosphere requires intact ecosystems.
B. human needs are of secondary importance.