Answer:
The correct answer will be option-E
Explanation:
The autonomic nervous system or ANS activity in the brain is mainly controlled and regulated by the hypothalamus structure. The autonomic centres of the hypothalamus control the hormonal secretion adrenal medulla like adrenaline and norepinephrine.
The secretion of the hypothalamus controls the activity of the vasomotor center which help maintain the blood pressure.
Thus, option-hypothalamus is the correct answer.
They can be used to contain cellular waste and to isolate materials that may be harmful to the cell.
Answer:
because theyre in our bodies and they have to be small to be in our bodies
Explanation:
Lack of antibodies because thats the stuff to fight things away