These have an iron-containing protein called hemoglobin, which is a perfect transporter for oxygen, in that it both picks up and releases oxygen in an exact and targeted way. The average man has about 2 grams of iron in his blood cells at any given time while women have about 1.6 grams.
Definition: A rhombus is a parallelogram with four congruent sides. *Rhombus I have all of the properties of the parallelogram PLUS - 4 congruent sides-diagonals bisect angles-diagonals perpendicular Using the definition, the properties of the rhombus can be proven true and become theorems. rectangle is a parallelogram with four right angles. While the definition states parallelogram, it is sufficient to say: A quadrilateral is a rectangle if and only if it has four right angles., since any quadrilateral with four right angles is a parallelogram. 2.
Rhombus' Parallel Sides A rhombus, which is often called a diamond, has two sets of parallel sides. In geometry, a rhombus or rhomb is a quadrilateral whose four sides all h â¦ ave the same length.Often referred as a diamond the answer would be 4 2 pairs of parallel sides, just like any other parallelogram. 29 people found this useful.hombus' Parallel Sides A rhombus, which is often called a diamond, has two sets of parallel sides. In geometry, a rhombus or rhomb is a quadrilateral whose four sides all h â¦ ave the same length.