If u mean the endocrine system .The endocrine system is the collection of glands of an organism that secrete hormones directly into the circulatory system to be carried towards distant target organs.
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:
health habit
Explanation:
<u>THE</u><u> </u><u>ANSWER</u><u> </u><u>IS</u><u> </u><u>HEALTH</u><u> </u><u>HABIT</u><u> </u>
<u>MARK</u><u> </u><u>AS</u><u> </u><u>BRAINLIST</u><u> </u><u>PLEASE</u><u> </u>