Answer:
The correct answer is option D
d) Children have an immature immune response.
Explanation:
It is true that Children have an immature immune response which develops throughout life on continuous exposure to germs and diseases.
Cross-training is athletic training in sports other than the athlete's usual sport. The goal is improving overall performance. It takes advantage of the particular effectiveness of one training method to negate the shortcomings of another
False, it has to be related to the subject study.