Answer:
pulmonary vein
Explanation:
The pulmonary veins
transfer oxygenated blood from the lungs to the heart.
It helps complete the pulmonary circuit, by receiving oxygenated blood in the alveoli and returning it to the left atrium.
Ok I got 22 and 23 for now.
22. The difference between rods and cones is, cones are stimulated during the daytime and allow you to see colorful objects, and rods are stimulated in darker atmospheres, and are used for more of your periferal vision.
23. It’s a genetic disorder, when your sensitive to light your photoreceptors will eventually disconnect slowly from, bipolar and ganglion Nuerons in your eye, which are attached to your retina
Answer:
A. Artificial Selection
Explanation:
He is artificially breeding the best of the cows to create more milk.
I hope I helped !!!!!!!!!!! :) :) :)
Now if you are talking about cells then Eukaryotic cells<span> contain membrane-bound organelles, including a nucleus. </span>Eukaryotes<span> can be single-celled or multi-celled, such as you, me, plants, fungi,and insects. Bacteria are an example of </span>prokaryotes<span>. </span>Prokaryotic cells do<span> not contain a nucleus or any other membrane-bound organelle.</span>