8.2 – Blood and Circulation Blood is considered a connective tissue because it links all cells and organs in the body Blood consists of a fluid portion.
Human Genetics Biology. Human Chromosomes Karyotype –Picture of chromosomes arranged in pairs Autosomes – 44 chromosomes that everyone has no matter what.
Why are new cells needed? 1. Growth: Cells grow in volume and mass – Inside of the cell is growing in volume – Cell membrane is growing in surface area.
