We need blood because it carries oxygen and helps us sustain life. The organ that pushes blood through the body is the heart.
A large proportion of our cells, muscles and tissue is made up of amino acids, meaning they carry out many important bodily functions, such as giving cells their structure.
Answer:
As light moves through the atmosphere, most of the longer wavelengths pass straight through. Little of the red, orange and yellow light is affected by the air. However, much of the shorter wavelength light is absorbed by the gas molecules.
Explanation:
Earth's service would be bare. There would no longer be life and all water ways would become dried up due to the intense ultra-violent rays of the sun.
Answer:
Cada gen puede tener varias variantes, llamadas alelos, que codifican diferentes variantes del rasgo en cuestión. ... Los genes residen en los cromosomas de una célula, cada uno de los cuales contiene muchos genes. Cada célula de cualquier organismo individual contiene el mismo conjunto de cromosomas.
Explanation:
