The first answer should be the right one
Answer:
Skeletal system
Explanation:
the bones of the skeleton protect the internal organs and reduce the risk of injury on impact. For example, the cranium protects the brain, the ribs offer protection to the heart and lungs, the vertebrae protect the spinal cord and the pelvis offers protection to the sensitive reproductive organs.
Answer:
Symbiosis is a close relationship between two species in which at least one species benefits.
Explanation:
Answer: Kuru
Explanation:
Kuru are transmitted by prion. This diseases are untreatable and ultimately fatal.
Prions are infectious proteinaceous particle that are neither virus nor do they contain nucleic acid.
They are transmitted by ingestion of the infected nervous system tissues.They are normally found in the healthy brain tissues if this protein is mis-folded into denatured form it can cause disease.
