Download Unit 5 Anatomy and Physiology Cells

Unit 5
Anatomy and
Physiology
Cells
Aim: To introduce the fundamentals of
anatomy and physiology and cell function.
Objectives:
• To identify the component parts of a
cell.
• To describe the functions of the main
cell components.
The human body is made up
of:
• Cells
• Tissues
• Organs
• Systems
What is a cell?
• The “building block” of all living
things.
• All living things made up of 1 or
more cells
• Organised in groups each of which
have specific functions
Cells - the facts
• The human body is made up of millions of
tiny cells
• These can only be seen under a
microscope
• They appear in many different shapes and
sizes and have different functions
• Each cell has a nucleus which contains the
genetic coding called DNA
• Cells cannot function by themselves
The Function of Cells Video
Practice Quiz
Individually complete the practice quiz
sheet.
After you have completed the quiz you
need to score your sheet. Score 2
points for every correct answer.
Cells
• Cell Organelles
Watch the video and take some notes,
you will need this information
later!!!!
Now have a go at labelling the
diagram with the right parts
A Human Cell
What do they all do?
Complete the table with the answers
that you think are correct.
What is?
• DNA
The chemical containing the genetic
code
• CHROMOSOME
A thread shaped body consisting of
DNA
Nucleus
• The largest organelle.
• Cell survival and reproduction
happens here
• Contains DNA, the chromosomes
and proteins and the chromatin
Nuclear Envelope
• a physical barrier (membrane)
separating the contents of the
nucleus from the surrounding
cytoplasm
Endoplasmic reticulum
• is concerned with the manufacture
and transportation of materials in the
cell.
• Rough ER - are important in the
production and transportation of
proteins.
• Smooth - creates and stores steroids
Ribosomes
• Produce the protein in a cell.
Cytoplasm
• This is the fluid that fills the cell.
• The cells organelles are suspended in
the cytoplasm.
Mitochondria
• Mitochondria are know as the
powerhouses of the cell.
• They take in nutrients, break them
down and creates energy for the cell
• This process is known as cellular
respiration
Lysosome
• Lysosomes hold enzymes that were
created by the cell.
• The purpose of the lysosome is to
digest things.
Golgi Complex
• Is a packaging organelle.
• It gathers simple molecules and
combines them to make molecules
that are more complex.
• It then takes those big molecules,
packages them in vesicles, and
either stores them for later use or
sends them out of the cell.