What does the yellow line represent that runs along the neuron?

The picture showed normal blood cells which are around and sickle cells which appear much longer people with sickle-cell suffer from the sickle cell anemia which is inherited diseaseit is caused by a change in gene responsible for production of hemo goblin this type of change is known as an

As an asteroid comes close to earth, it's name will change to? apex

Will camels hump ahrinks. give reason