The respiratory system brings oxygen to cells in the body. And it removes waste, carbon dioxide. The Excretory system removes wast as well from the digestive system and from blood out of the body.
I have 6 but here they are:
01.) Iron Deficiency
02.) Iodine Deficiency
03.) Vitamin B Deficiency
04.) Vitamin B12 Deficiency
05.) Calcium Deficiency
06.) Vitamin A Deficiency
Answer:
virus are obligate parasites. Viruses do not, however, carry out metabolic processes. Most notably, viruses differ from living organisms in that they cannot generate ATP.
Castorocauda
Fruitafossor
Brachiosaurus
Diplodocus
Archaeopteryx
Dimorphodon
These are just some random ones but all from the jurassic time