Answer:
Hormones are chemical messengers that are secreted directly into the blood, which carries them to organs and tissues of the body to exert their functions. There are many types of hormones that act on different aspects of bodily functions and processes.
I don't think so I believe you would let them get air inside and that's the sign that he/she is alive and breathing so you don't wanted to push the air out of there lungs when you were trying to get air in there lungs
Hope this helps have a nice nite!
The human population has grown more and more quickly over time since the development of agriculture.
Option (a);
<u>EXPLANATION:</u>
- The growth in agriculture allowed an increase in population over time.
- Agriculture developed with more irrigation facilities and farming machines.
- So, more food could be grown and was available round the year for the
- people to consume.
- With urbanization, food could be transported well across the places.
- A smaller number of people died due to starvation. People settled in towns and cities to do farming.
- Thus, with the overall development of agriculture eventually, health and nutrition improved which led to an increase in population.
Answer: they need to provide a lot of energy.
Explanation:
fat cells have many mitochondria because they store a lot of energy. Muscle cells have many mitochondria, which allows them to respond quickly to the need for doing work.
Answer:
The cardiovascular system helps to maintain homeostasis with respect to body temperature. An increased heart rate increases the delivery of blood to your skin. Increased blood flow to your skin and sweating causes dissipation of heat, and body temperature remains within normal limits.
