<?xml version="1.0"?>

<!-- This code will be used to declare an element of complex type called 
"characteristics" which will contain the elements height, weight, and gender. -->
<xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema">
    <xsd:element name="characteristics" type="characteristicsType"/>
	
    <xsd:complexType name="characteristicsType">
        <xsd:sequence>
            <xsd:element name="height" type="xsd:string"/>
            <xsd:element name="weight" type="xsd:string"/>
            <xsd:element name="gender" type="xsd:string"/>
        </xsd:sequence>
    </xsd:complexType>
</xsd:schema>