During what phase does blood flow from the ventricles into the pulmonary trunk and aorta?

it would be c. xylem.

the wires in the toaster turning red and the toast crisping and turning brown

"menstrual cycle is a complex cycle that consists of several processes. order of occurrence of steps in menstrual cycle are as follows:

1. high progesterone levels maintain the endometrium lining of the uterus.

2. endometrium lining breaks down and low levels of estrogen stimulate the pituitary to release fsh and lh.

3. fsh and lh stimulates the follicles to develop and the oocyte to produce estrogen.

4. rising estrogen levels suppress fsh production and development of other follicles.

5. a spike in lh causes follicle to rupture.

6. a breakdown of corpus luteum causes progesterone level to drop."

it's diluted or concentrated

in a diluted solution, you can add a lot more solute but in concentrated only a little more can be added