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.
Both shapes are quadrilaterals, meaning that they have 4 sides. A rhombus is an equilateral quadrilateral, meaning that it is a four sided shape with all sides congruent, or the same length. A square is an example of a rhombus. More commonly a rhombus looks like a square that is falling over.