Answer: They are heated up and turn into magma, then they are cooled and crystalize.
Explanation:
Answer:
The correct answer would be D.Alveolar sacs are surrounded by thin capillaries where gases can be exchanged.
Alveoli are tiny sacs which form the site of gas exchange in the lungs.
The features of alveoli which help in gas exchange are:
- They increase the surface area in the lungs thus, more space is available for gas exchange.
- They have very thin walls, as thin as the thickness of a single cell only.
- They are surrounded by a bunch of thin capillaries which exchange gases with alveoli.
Having blood glucose levels that are too high or too low is very dangerous. Having a blood glucose level that is too high results in high blood pressure. Having a low blood glucose level causes hypoglycemia. Hypoglycemia causes symptoms like dizziness, fatigue, exessive sweating, and shaking.
Answer:
The hypothalamus plays ahuge role in the endocrine system. It is responsible for maintaining your body's internal balance of temperature.
When your hypothalamus senses that you're too hot, it sends signals to your sweat glands to make you sweat and cool your temperature.
When the hypothalamus senses that you're too cold, it sends signals to your muscles that make your shiver and create warmth, rising your temperature.
C: individual #2 that is your answer
