Grade II Concussion
The brain is made of soft tissue. It's cushioned by spinal fluid and encased in the protective shell of the skull. When you sustain a concussion, the impact can jolt your brain. Sometimes, it literally causes it to move around in your head. Traumatic brain injuries can cause bruising, damage to the blood vessels, and injury to the nerves.
Reading background information because it gives ideas from the author himself.
Answer:
The answer is vertebrate.
Explanation:
Vertebrates are those animals that have a central spinal cord. Fish, Chicken and rabbit can be classified as vertebrates because they all have a spinal cord. The vertebrate is a big term that is further divided into different classes for example Fish, amphibians, mammals, avian, and reptiles,
Third trimester. It doubles in mass at this time and continues to still grow and mature
Spongy bone consists of plates (trabeculae) and bars of bone adjacent to small, irregular cavities that contain red bone marrow and the canaliculi connect to the adjacent cavities, instead of a central haversian canal, to receive their blood supply
