The respiratory system works directly with the circulatory system to provide oxygen to the body. Oxygen taken in from the respiratory system moves into blood vessels that then circulate oxygen-rich blood to tissues and cells.
The main factors affecting birth are:
Age.
Health.
Heredity.
Ovulation cycle.
Location.
Miscarriage
9 ½ hours
The average amount of sleep that teenagers get is between 7 and 7 ¼ hours. However, they need between 9 and 9 ½ hours studies show.
Define “the following” so we can answer the question
Would be most consistent with the two-factor theory
This theory was created by Stanley Schachter and Jerome singer. According to this theory, when an emotion is felt, a psychological arousal occurs , and the person will use the immediate environment to search for emotional cues that will be used to label the physiological arousal