The skin is cooled through evaporation.
The Characteristics of life are growth, reproduction, homeostasis, sense and respond to stimuli, obtain and use energy, made of cells, adapt and evolve.
The following structural changes occur as conducting tubes
become smaller;
- support structures change. The trachea has more hyaline cartilage
than the bronchioles
- epithelium type changes with bronchioles having ciliated
columnar cells with the trachea having tall columnar pseudostratified
- amount of smooth muscle increases as you go lower the respiratory tract
Ans. An isotope of Hydrogen called Tritium has one Proton and two Neutrons and its mass is 1
Hope this helps.
