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.
The rhombus has a square as a special case, and is a special case of a kite and parallelogram. In Euclidean geometry, a rhombus (â), plural rhombi or rhombuses, is a simple (non-self-intersecting) quadrilateral all of whose four sides have the same length.Another name is equilateral quadrilateral, since equilateral means that all of its sides are equal in length.tymology [edit]. The word rhombus comes from Greek á¿¥ÏÎ¼Î²Î¿Ï (rhombos), meaning something that spins, which derives from the verb ÏÎ­Î¼Î²Ï (rhembÅ), meaning to turn round and round.