C X-inactivation "switches off" one of the X chromosomes.
Explanation:
Answer:
a
Explanation:
the kidney secretes an enzyme called rennin that helps to control blood pressure is not true the kidney does not secret rennin
I think the Atrial fibrillation is the uncoordinated beating of the atria rapid. These are rhythm in which all the atrial activity is depicted as chaotic undulations of the base line. Atrial rhythms include; atrial fibrillation, atrial flutter, premature atrial contraction, wandering pacemaker. Atrial fibrillation can cause an increased risk of stroke, heart failure and other heart related complications.
Answer:
becuase its juss a childs mind it wonders trinna figure stuff out always askin questions to get tha answer
Explanation:
