Question

1. Describe the menstrual cycle with the help of a flow chart.


2. a) Define: atmospheric pressure

b) Why do mountaineers suffer from nose bleeding at high altitudes?​

Answer 1

2) the pressure exerted by the weight of the atmosphere

3) Nosebleeds can be caused by being up in a veryhigh altitude. As you climb higher, the amount of oxygen in the air decreases. This makes the air thinner and dryer, which can in turn cause the inside of your nose to crack and bleed