Faciliated diffusion.
Both facilitated diffusion and simple diffusion do not require ATP; however, simple diffusion does not use transport proteins. Facilitated diffusion uses transport proteins which are carrier and channel
Answer:
Arteries carry oxygenated blood away from the heart. Veins carry the blood back to the heart. Veins contain valves that ensure blood flows in only one direction. Arteries don’t require valves because pressure from the heart is so strong that blood is only able to flow in one direction.
Explanation:
Answer:
The answer is A.
Explanation:
The alerting system which is a part of the reticular activating system that provides the consciousness for us using the connections between the brain stem, cerebrum etc. consists of Locus Coeruleus which are nucleus located in the brain that responds to psychological stimuli such as panic, stress or discomfort. So the answer is A.
I hope this answer helps.
Answer:
Hope it helps and HAPPY NEW YEAR MY DEAR ☆☆
Explanation:
Box #1: Black fur, black eyes
Box #2: Black fur, red eyes
Box #3: White fur, black eyes
Box #4: Black fur, red eyes
