<span>Body mass index (BMI) is a measure of body fat based on your weight in relation to your height, and applies to most adult men and women aged 20 and over. For children aged 2 and over, BMI percentile is the best assessment of body fat.</span>
Answer:It includes your airways, lungs, and blood vessels. The muscles that power your lungs are also part of the respiratory system. These parts work together to move oxygen throughout the body and clean out waste gases like carbon dioxide
Explanation:
Yes you may change it either way
Answer:
ovulation, fertilization, and implantation
development of an embryo and then a fetus
contractions of the uterus and dilation of the cervix
birth of the baby
expulsion of the placenta and cutting the umbilical cord