Question

what is cell membrane? ???????????​

Answer 1

Answer:

Present in all types of cells,in human,animals,plants,bacteria etc.It us the outermost covering part of theanimal cell.It is made up of fats and protiens whish is only visible through microscope.It is a lipid layer and is composed of lipoproteins and carbohydrates.It protects and maintain internal enviornment of the cell.

Step-by-step explanation:

hope it helps you

my 1st one is from google abd second one is my own knowledge

Answer 2

Step-by-step explanation:

The major stages of the human lifecycle include pregnancy, infancy, the toddler years, childhood, puberty, older adolescence, adulthood, middle age, and the senior years. Proper nutrition and exercise ensure health and wellness at each stage of the human lifecycle.