Answer:
1.chemical receptors
2. nerves carry signal to the brain
3. nerves carry signals to the muscle
4. the brain process these signals
5. the shark changes direction and swims towards pray
Explanation:
Well the first difference is that PMS is mostly a psychological and somewhat physical syndrome. The proof is that the symptoms of PMS are irritability, stress and dysphoria. There is of course a lot of other symptoms like anxiety, insomnia, headache, fatigue, mood swings, and increased emotional sensitivity. The cause of PMS are the changes in levels of estrogen and progesterone. Now, menstrual cramps are physical condition. The symptom is pain in lower abdomen. And the cause is the menstruation itself. So there you have the differences. PMS as its own name says (Premenstrual syndrome) occurs before menstruation, more accurately 5 - 10 days before menstruation which is luteal phase of menstrual cycle. Menstrual cramps can occur several days before menstruation or can occur when menstruation starts, and they slowly disappear as menstruation slowly ends
Answer:
The correct answer is option C. "The magnetic field of earth keeps changing because of the suns activity"
Explanation:
The magnetic field of Earth is not a steady force, and is affected by external forces such as the suns activity, particularly during strong solar/geomagnetic storms. The changes in the magnetic field of Earth explains why the auroras Are sometimes seen at northern Ohio. The auroras are created by energetic electrically charged particles accelerating along the magnetic field, if the location of the magnetic filed changes, the location of the auroras change as well.
Oral phase, Esophageal phase, and Pharyngeal phase.
Answer:
True
Explanation:
Fitness, contrary to popular belief, is not a measure of how "strong" an individual is, but instead of their ability to pass on their genes to the next generation, or in other terms, their ability to survive and create offspring.
