FSH and LH are the main sex hormones in humans called gonadotrophins. They are secreted by the anterior pituitary gland. They act on the gonads; testes in males and ovaries in females. LH stimulated the production of testosterone by the testes while the hormone stimulates ovulation in females. FHS promotes sperm production in males while it stimulates maturation of ova in female ovaries.
Answer:
<em>A) Systolic</em>
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In vascular plant, Xylem is one of the two tissue involve in transport water from roots to stems and leaves and also transports nutrients.
Two types of cells of this tissue are tracheids and vessel elements which are involved in transport.
<h3>What is the function of xylem ?</h3>
Xylem and phloem are known are two major vascular tissue.
Xylem tissue involve in transport of water and some nutrients from the roots to the leaves.
Phloem tissue involve transport of sucrose and other nutrients throughout the plant.
The passive transport called xylem sap occur through a long tube xylem cells.
The phenomenon where the xylem sap allow the flow upwards against gravity is called capillary action.
Learn more about xylem, here:
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