Question The common cold is caused by a virus that enters the human body and causes mild, flu-like symptoms. It is very difficult to develop a vaccine against the common cold. The reason for this is that the common cold virus –
Hides in the digestive system
Hides in the digestive system

Includes RNA as its genetic materials
Includes RNA as its genetic materials

Is too small for the immune system to detect
Is too small for the immune system to detect

Changes rapidly due to high mutation rates

Which process can increase the rate of greenhouse gas emissions into the atmosphere in response to a decrease in albedo

According to the cladogram, which organisms have roundworms as a common ancestor?

Drag each tile to the correct box. the body monitors the levels of oxygen in the blood to regulate breathing. isabel is running in a marathon and is near the finish line. she feels out of breath. how will her nervous system work to generate a reaction? arrange the tiles in chronological order. isabel's breathing rate increases. sensory receptors in the arteries detect low oxygen levels. the brain sends signals through motor neurons. sensory neurons generate an impulse. the central nervous system relays an impulse to certain brain regions.