Which of the following is the correct sequence of blood flow in birds and mammals?

a. left ventricle → aorta → lungs → systemic circulation

b. vena cava → right atrium → right ventricle → pulmonary vein

c. pulmonary vein → left atrium → left ventricle → pulmonary circuit

d. vena cava → right atrium → right ventricle → pulmonary artery

you go to account and hit delete!

explanation:

endo:

regulates body hormones, aldosterone, vasopressin

neural:

signal, regulates body using electric signals, reflex

endo has to do with hormones; aldosterone and vasopressin are both hormones. i also had this question and got it right : d

the unequal cytoplasmic division that  results  in  one egg  and three polar bodies ensures that a fertilized  egg has  ample nutrients  forits journey  to  the uterus.