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

it's the cell cycle, but cytokines is when the cell divides.

theres 3 stages interphase,mitosis,and cytokines.

interphase prepares the cell for division.

mitosis is the process of dividing the cell,it has 4 parts interphase,anaphase,metaphase,and telophase.

lastly there's cytokines,that's when the cell divides into 2 daughter cells

in the year 2850, humans successfully colonized mars. the martian modules that were constructed could hold only a small population of people. it is now a century later, and the population on mars has grown to 600 people. of the current mars population, 45 people express the recessive phenotype for phenylketon- uria (pku) syndrome (pp genotype).

explanation: