Answer:
I think the correct answer is A
Explanation:
Stress can be caused by the things around you and what happens in your personal life. But stress is not always caused by social and physical health. So I think it would be A because stress can have a part in your environmental health and mental health.
Hope this helps, good luck.
There are several human threats endangering polar bear populations; over harvesting, human development and loss of sea ice due to climate change are all reducing the bear's numbers and habitat.
Answer: true
Explanation: Tasks are required activities that need to take place in order to complete a goal.
The statement that air is warmed and moisten as it moves through both the mouth and nasal passages is true. Air is inhaled through the nostrils and than is moved through the upper respiratory tract, which consists of the nose and nasal cavity, the pharynx, and the larynx. They warm and clean the air we inhale.
Answer:
Physical barrier
Explanation:
Innate immunity is our first line of defense against invading organisms . inmates immunity include physical barriers, antimicrobial substances, normal flora etc.
The skin and mucosa of stomach and of other organs serve as first line of defense and the function of defense is both mechanical and chemical. The mechanical function involves physical barrier that prevent entry or translocation of organisms. The chemical function include substances that inhibit growth or destroy microbes e.g. gastric acid in the stomach.
