Systemic circulation which is the movement of blood through tissues of the heart carries oxygenated blood from left ventricle through arteries.
Systemic circulation moves blood between the heart and rest of body . It send oxygenated blood out to cells and return the degenerated blood to the heart.
Heart is the only organ in circulatory system organs . blood goes from heart to lung to get oxygen. lungs are the part of the respiratory system. Heart pumps oxygenated blood through artiest to the body. Systemic provide the functional blood supply to all body tissue. Oxygen locks into molecule  called hemoglobin in red blood cells.
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Space that's my best guess
        
             
        
        
        
Answer:
The Anser to your question is Diabetes
Explanation:
if you have type 1 diabetes, your body does not make insulin. Your immune system attacks and destroys the cells in your pancreas that make insulin. Type 1 diabetes is usually diagnosed in children and young adults, although it can appear at any age.
 
        
                    
             
        
        
        
Explanation:
you should exercise at the morning everyday but don't push yourself if you can't do it.Eat vegetables if you don't want to be fat.Because vegetables are nutritious And can help us to be healthy..
 
        
             
        
        
        
If a person abruptly stops an intense cardio workout without cooling down, then an aneurysm and heart attack may occur.
Answer: C
Cardio means heart so you can eliminate D. When you work intensely and abruptly stop you weaken the artery wall which will cause an aneurysm.