It is known as the liver.
Answer: 21
Explanations: because 9+10 =21
Answer:
Healthy Ponds Are Indicators of Healthy Environments A pond can tell you if an environment is healthy based on the wildlife that visits, such as dragonflies and amphibians. Since the vast majority of life on earth relies on water for survival, it should be no surprise that most aquatic systems draw in a large variety of species.
Explanation:
The correct answer is a molecule.
It is relevant to consider the compositions of the body in terms of basic levels of the organization, which enhance in complexity: subatomic particles, atoms, molecules, organelles, cells, tissues, organs, organ systems, organisms, and biosphere.
The voltage-gated sodium channels come under the molecule level of structural organization. It plays an essential role in action potentials.
Answer:
Feathers perform a number of functions for a bird:
1) They provide insulation, body temperature of most birds is maintained at around 40 C.
2) Feathers allow for flight.
3) Feathers control what a bird looks like by supplying the bird with colors.
Explanation:
Feathers insulate birds from water and cold temperatures. They may also be plucked to line the nest and provide insulation to the eggs and young. The individual feathers in the wings and tail play important roles in controlling flight. Some species have a crest of feathers on their heads.
