Yes
auxin
There are many causes of heart palpitations. The causes include excess thyroid hormone, exercise intolerance, emotional responses, anemia, and medicine.
Plants exhibit positive response to light through phototropism, a process regulated by the hormone auxin. When one side of the stem is exposed to light, auxin accumulates on the shaded side and promotes cell elongation, causing the stem to bend towards the light source. This helps the plant maximize light absorption for photosynthesis.
a stimulus causes a response
luteinizing hormone
Either you didn't miscarry, you had sex and got pregnant again, or you still have the hormone in your system that causes a pregnancy test to show a positive result. I am guessing it is the hormone.
The hormone that causes ovulation to occur is called luteinizing hormone (LH). LH is produced by the pituitary gland in the brain.
In response to the increasing levels of estrogen, the cervix becomes congested with blood, resulting in the characteristic bluish tinge that extends to include the vagina and labia. So, estrogen is the hormone responsible for a positive Chadwick's sign, however bloodflow is the reason it becomes blue.
The hormone that causes ovulation to occur in the menstrual cycle is called luteinizing hormone (LH).
parathyroid hormone
The name of the hormone that causes puberty in male mammals is the testosterone
Insulin is the hormone that causes the blood sugar level to decrease.