Radioactive atom
(Science: chemistry, physics) An atom with an unstable nucleus, which emits particulate or electromagnetic radiation (radioactive emission) to achieve greater stability.
See: radionuclide, half-life, becquerel.
The human respiratory system is an efficient system of inspiring and expiring respiratory gases. This tutorial provides ..
This tutorial elaborates on the physical development of humans, particularly from puberty to adulthood. Read this tutori..
The endoplasmic reticulum and Golgi apparatus are the organelles involved in the translation step of protein synthesis a..
Mātauranga Māori is the living knowledge system of the indigenous people of New Zealand, including the relationships t..
A running water environment offers numerous microhabitats for many types of animals. Similar to plants, animals in lotic..
Plants, like animals, produce hormones to regulate plant activities, including growth. They need these hormones to respo..