For the first time, tiny bits of plastic have been found in the body tissue of Pacific walruses, lodged in the animals’ muscles, blubber and livers. The findings, from a University of Alaska Fairbanks ...

The signaling molecules of the immune system should trigger a response only where necessary. To prevent a life-threatening spread to the rest of the body, connective tissue can absorb these molecules ...

Medically reviewed by Michael Menna, DO Key Takeaways The circulatory system carries oxygen and nutrients throughout the body and removes waste.The lymphatic system helps fight disease by creating and ...

Samantha Garrard receives funding from NERC. Plastic debris poses a particularly significant problem. Marine mammals mistakenly eat items such as plastic bags, food wrappers, ropes and abandoned ...

A walrus is seen in Alaska's Chukchi Sea in June of 2010. Research by a University of Alaska Fairbanks student found microplastics, mostly tiny fibers, were lodged in muscle tissue, blubber and livers ...