Answer:
Oral.
Explanation:
Sigmund Freud's stages of development explains the psychological stages of the sexual development in humans. These stages explain the libido psychology of the individuals.
The first stage of the Freud's stages of development is oral. The oral stage is the stage before 1 years of age. The child is in the first year of his development. This includes the development of the child in the oral stage only.
Thus, the correct answer is option (b).
The tissue responsible for vasoconstriction of blood vessels is the <span>tunica externa</span>
B, because having high resistance builds your endurance and makes it stronger. Having low resistance isnt effective enough so cross those out, and high resistance with high steps is too much and can lead to damage