Differentiate between Heartwood and Sapwood.

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(N/A) HeartwoodSapwood$(1)$ It is the central,darker,and harder part of the secondary xylem in old trees.$(1)$ It is the peripheral,lighter,and softer

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(N/A) HeartwoodSapwood$(1)$ It is the central,darker,and harder part of the secondary xylem in old trees.$(1)$ It is the peripheral,lighter,and softer part of the secondary xylem.$(2)$ Its vessels are blocked by tyloses and filled with tannins,resins,oils,and gums.$(2)$ Its vessels are functional and contain living cells,tubes,and fibers.$(3)$ It is highly durable and resistant to microbial attack.$(3)$ It is less durable and susceptible to microbial attack.$(4)$ It provides mechanical support to the stem.$(4)$ It is involved in the conduction of water and minerals.$(5)$ It does not conduct water.$(5)$ It actively conducts water and nutrients.

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Heartwood	Sapwood
$(1)$ It is the central,darker,and harder part of the secondary xylem in old trees.	$(1)$ It is the peripheral,lighter,and softer part of the secondary xylem.
$(2)$ Its vessels are blocked by tyloses and filled with tannins,resins,oils,and gums.	$(2)$ Its vessels are functional and contain living cells,tubes,and fibers.
$(3)$ It is highly durable and resistant to microbial attack.	$(3)$ It is less durable and susceptible to microbial attack.
$(4)$ It provides mechanical support to the stem.	$(4)$ It is involved in the conduction of water and minerals.
$(5)$ It does not conduct water.	$(5)$ It actively conducts water and nutrients.