Question

Помогите ответить на вопросы!!! Даю 35баллов!!

Answer 1

Ответ:

1. Oxygen travels around the body in the blood.

2. Normal heart rate for adults is 70 beats per minute.

3. Normal heart rate for children is 100 beats per minute.

4. When we do exercise our heart rate goes up.

Объяснение: