Answer:
The <u>nuclear envelope</u> is composed of two concentric lipid bilayer membranes separated by an intermembrane space of about 20-40 nm. The outer membrane is continuous in many places with the rough endoplasmic reticulum. Like the rough ER the outer membrane of the nuclear envelope is dotted with ribosomes.
Meiosis is a type of cell division that reduces the number of chromosomes in the parent cell by half and produces four gamete cells
Explanation:
Pulmonary Arteries where the blood is re-oxygenated.