Counter current involves blood in the capillaries flowing in the opposite direction to the flow of water flowing over them. Gases diffuse faster from one area to another when the concentration difference between the two areas is at its greatest, as compared to when the concentration difference is low.
Answer:
Los organismos eucariotas incluyen protozoos, algas, hongos, plantas y animales. ... Sobre todo, las células eucariotas se definen por la presencia de un núcleo rodeado por una membrana nuclear compleja. Además, las células eucariotas se caracterizan por la presencia de orgánulos unidos a la membrana en el citoplasma.
Explanation:
It radiates light and heat, or solar energy, which makes it possible for life to exist on Earth. Plants need sunlight to grow. Animals, including humans, need plants for food and the oxygen they produce. Without heat from the sun, Earth would freeze.
Answer:
Adrenergic/effector/sympathetic
Explanation:
The two main divisions of autonomic nervous system are sympathetic nervous system and para sympathetic nervous system. This nervous system controls the involuntary actions of the body.
Adrenergic receptors are included in the G protein coupled receptors. Alpha and beat receptors are adrenergic receptors. These receptors are present on the effector molecule. Alpha and beta receptors are important during fight and flight response and are included in the sympathetic nervous system.
Thus, the correct answer is option (e).
