Cerebral cortex
1. Emotion can invoke an autonomic response.
2. Sexual thoughts or image which can increase blood flow to the genitals.
Hypothalamus.
1. It activates the flight or fight response.
2. It is the major control of ANS.
3. It is the integrating center for thermoregulation.
Brainstem.
1. It is integrating centers for reflexes which control heart rate and blood pressure.
2. It is the integrating center for pupillary reflex
Spinal cord
1. It is the integrating center for urination, erection, defecation and ejaculation reflexes.
From the 118 known elements, 25 elements are believed to be essential to human biology.
Out of 25 elements , 6 elements namely – carbon, oxygen, hydrogen, nitrogen, calcium and phosphorus , they make up about 99% of the human body. Some other elements like - potassium, sulfur, sodium, chlorine, and magnesium, they are also found in the human biology.
Messenger RNA (mRNA)
<span>Messenger RNA (mRNA) is known
to be molecules that carries codes (DNA) in the nucleus to the cytoplasm the
sites of protein synthesis. Thus, it is the RNA copy from one section of the
DNA that usually correspond to a single
gene. </span>
I guess ribosomes are not present in leaf cells
Take care of the stream better? Or to not polite the water. I’m guessing so sorry if you get this wrong