Answer:
The correct answer would be D.Alveolar sacs are surrounded by thin capillaries where gases can be exchanged.
Alveoli are tiny sacs which form the site of gas exchange in the lungs.
The features of alveoli which help in gas exchange are:
- They increase the surface area in the lungs thus, more space is available for gas exchange.
- They have very thin walls, as thin as the thickness of a single cell only.
- They are surrounded by a bunch of thin capillaries which exchange gases with alveoli.
Any question that has an "if i do this then this will happen"
Example: If I take 3 eggs and stick them into a bowl and pour flour into the bowl as well and mix it then leave it then it will turn into a hard gooey form.
I used the word "if" to start the hypothesis and then the subject i'm trying "eggs" and "flour." I then say "Then" to signify what I think is going to happen, "It will turn into a hard gooey form."
Hope this helps and let me know how you make out on whatever you're doing!
Answer:
he siad no and no
Explanation:
and no no no no no no non on o no no no no thank u for the points
Answer:
The correct answer is: a triploid cell.
Explanation:
A triploid cell is the result of the fertilization of a diploid cell and a haploid cell. Triploid cells have 3 sets of chromosomes, diploids have 2 sets, and haploids have only 1 set.
Humans, besides many other species, have diploid cells - one set of chromosomes comes from the mother and the other set of chromosomes comes from the father. <u>In order to maintain this number, </u><u>gametes</u><u> (the sex cells: spermatozoids and oocytes) become haploid through meiosis</u>. This way, when the spermatozoid fertilizes the oocyte, the resulting cell will be diploid.
A gamete being diploid is a result of an <u>error during meiosis</u>, and will most likely generate a triploid cell during fertilization.
A triploid cell, unfortunately, <u>won't be able to survive,</u> so they are almost always spontaneously aborted in the first two weeks of pregnancy.
Yes you can , but living without it would make you more prone to infections