Lo siento, no hablo muy bien el español.
La anemia de células falciformes pertenece a un grupo de trastornos conocidos como enfermedad de células falciformes. La anemia de células falciformes es un trastorno hereditario de los glóbulos rojos en el que no hay suficientes glóbulos rojos sanos para transportar oxígeno por todo el cuerpo.
Normalmente, los glóbulos rojos se mueven fácilmente a través de los vasos sanguíneos. En la anemia de células falciformes, la sangre roja tiene forma de hoz o de luna creciente. Estas células pueden atascarse en pequeños vasos sanguíneos, lo que puede ralentizar o bloquear el flujo sanguíneo y el oxígeno a partes del cuerpo.
In developed countries, the birth and death rate are low, whilst in developing countries, both the rates are high. Developed countries usually are more industrialized and have higher per capita income levels, whereas developing countries, are less industrialized and have lower per capita income levels.
Explanation:
1. A human cardiovascular system is how your heart beats and your blood pumps.If there is any fail in a human cardiovascular system that can lead to cardiovascular disease also known as heart disease or cardiac arrest
2. The human body digestive system is what digests anything a person takes in with our tongue,salivary glands, & liver. The digestive system breaks all down all the food that we take in and separates them into different sections.
3. The function of immune system is part of our body which fights and compromises biological germs that enter our body
4. The nervous system is a function which releases a chemical that triggers
our body to become nervous
5. Your respiratory system is how long you can workout running ,cycling, and jump rope take a lot of respiratory
6. The urinary function is what flushes out the waste our of your body as urine
this is a very crucial part in a human body
The answer is letter a because that is very true if you get hooked on that it can and most likely will lead to death.