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does wood have Capillarys?

my brother seems to think they do, i don't understand what they'd need capillarys for.
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Reply 2
Avatar for Eloades11
Eloades11
17
Original post by liamb89
my brother seems to think they do, i don't understand what they'd need capillarys for.


Well, since trees don't have blood flowing in them I doubt they have much need for capillaries. They do have similar branches allowing for water flow and such, their name escapes me though.
Reply 3
Avatar for Htrain250
Htrain250
1
You have the mass flow water system involving the phloem and xylem both of which act in a similar fashion to capillaries


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Reply 4
Avatar for liamb89
liamb89
OP
plants do not have capillaries, but they have structures which move nutrients and water around the plant, these are known as the xylem and the phloem. sometimes the xylem and phloem are called capillaries because they are analogous to capillaries in animals.
the xylem and phloem are somewhat analogous to capillaries in mammals; also bark is similar in many ways to skin.
Original post by liamb89
plants do not have capillaries, but they have structures which move nutrients and water around the plant, these are known as the xylem and the phloem. sometimes the xylem and phloem are called capillaries because they are analogous to capillaries in animals.


Analogous, right. But if I am not mistaken the difference to capillaries are filter cells which regulate the absorption of water and anorganic salts (nitrates and phosphates). I don't know a similar function in capillaries.
Reply 7
Avatar for liamb89
liamb89
OP
Original post by Kallisto
Analogous, right. But if I am not mistaken the difference to capillaries are filter cells which regulate the absorption of water and anorganic salts (nitrates and phosphates). I don't know a similar function in capillaries.


both capillaries, xylem and phloem are for the transportation of substances one in plants the other in animals, however there is differences, Analogous only means comparable in certain respects, not exactly the same.
Original post by liamb89
both capillaries, xylem and phloem are for the transportation of substances one in plants the other in animals, however there is differences, Analogous only means comparable in certain respects, not exactly the same.


I know the meaning of the word analogous. My comment should be an agreement to you and a reference to differences at the same time. Am I really not so clear in my writing?

By all means it should be obvious by now that xylem and phloem are not capillaries, even if they have a similarity.
(edited 9 years ago)

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