Answer: they allow air to enter lungs and also permits air into the body
Explanation:
In general, stem cells have 3 main properties:
1) They are capable of dividing and renewing for long periods of time.
2) They are unspecialized cells.
3) They can give rise to specialized cells.
Answer:
D or C ( I am going with D)
Explanation:
I believe it would be c or d
Answer:
They should not be compensated because they do it out of free will and the eggs are valuable than any amount you can think of.
No.This may draw the students attention to the money they often give rather than their studies
Animal cells<span> each </span>have<span> a centrosome and lysosomes, whereas </span>plant cells do<span> not.</span>Plant cells have<span> a </span>cell<span> wall, chloroplasts and other specialized plastids, and a large central vacuole, whereas </span>animal cells do<span> not.</span>