No nucleus, they are prokaryotes
Answer:
Explanation:
Both systems interact in the sense that digestive system involves the breaking down of complex food substances into simpler absorbable forms. These absorbable forms like glucose , amino acids etc are assimilated into the circulatory system through the hair-like structures in the small intestine (Villi, which has lots of blood capillaries) into the circulatory system. The circulatory system transports these food materials to different parts of the body where they are need for energy production and other metabolic activities.
The answer to this question would be leukopenia.
Leukopenia is a condition where the total white blood cells count is too low. White blood cell is fighting the microbes, so decreased of their number might cause the patient immune system to be decreased to, leading to immunocompromised status.