deOxygenated blood, superior vena cava,right atrium, right ventricle, pulmonary artery, lungs
oxygenated blood, Lungs, Pulmonary veins, left atrium, left ventricle, aorta
Answer:
Mutation is any change in the DNA sequence
It can be both disadvantageous or advantageous
Blood vessels expand during hot weather and retract/ tighten in cold weather
Because is a good way to help us get our education for free or with a less cost
Answer:
Chlorosis is the yellowing of leafs due to lack of chlorophyll. It can affect any part of the plant that would have normally have chlorophyll. Its caused by damage or compacted roots, and many other things.
