Explanation:
If you fear someone, you may become angry that they have made you fearful. Fear causes anger raises neglected issues about emotions. Emotions are causally interconnected, with one emotion tending to lead to another. Fear can easily cloud your mind with mixed feelings, resulting in the innate human instinct for self-defense.
Answer:
Option A is correct
Heart and Blood Vessels are the parts of the circulatory system.
Answer: A
Explanation: The blood–air barrier (alveolar–capillary barrier or membrane) exists in the gas exchanging region of the lungs. It exists to prevent air bubbles from forming in the blood, and from blood entering the alveoli. ... The barrier is permeable to molecular oxygen, carbon dioxide, carbon monoxide and many other gases.
