In a study in which men and women were shown people in distress, men showed

The answer is  the same levels of physiological arousal but less emotional expression than women.
One psychological advantage that men had over women in general is that men tend to be more stable under psychological distress.
The advantage that women had on the other hand is that women generally able to pick up more non-verbal cues that individual give under distress compared to men.

The jugular vein located, on an animal, starts proximally at the base of the neck and moving towards the head along the jugular groove.