Pubertal development also affects circulatory and respiratory systems as an adolescents' heart and lungs increase in both size and capacity. These changes lead to increased strength and tolerance for exercise. Sex differences are apparent as males tend to develop "larger hearts and lungs, higher systolic blood pressure, a lower resting heart rate, a greater capacity for carrying oxygen to the blood, a greater power for neutralizing the chemical products of muscular exercise, higher blood hemoglobin and more red blood cells". COUNT 5
QSN1 How do a person's heart and lungs change during puberty? ANS1 increase in both size and capacity QSN2 Increased size and capacity of the heart and lungs result in what changes to the body? ANS2 increased strength and tolerance for exercise QSN3 Which sex tends to develop larger hearts and lungs? ANS3 males QSN4 Which sex tends to have more red blood cells than the other? ANS4 males QSN5 Which body system are a person's lungs a major proponent of? ANS5 respiratory