Red blood cells
What is the red pigment in red blood cells?
haemoglobin
What does white blood cells have that red blood cells don't have?
Nucleus
Is there water in plasma?
Yes
What is one advantage of red blood cells?
They are quite a lot smaller than most cells in the body.
Ana was cycling and she was about to stop the cycle she fell down and got hurt. Her hands started bleeding and her blood was red in colour. What gives the blood its colour?
Haemoglobin
Why does red blood cells not have a nucleus?
Makes more space for the hemaglobin.
White blood cells push the ______ out to make 'fingers' that can capture a pathogen.
Cytoplasm
How does plasma take a big role in diffusion?
The co2 dissolves in blood plasma and is carried away from the cells. The blood takes it to the lungs, where the co2 diffuser out and is breathed out in your expired air.
What is diffusion?
Oxygen naturally spreads out from a high concentrated area to a low concentrated area .
In Sam’s biology class he learnt that inside the red blood cell, the oxygen combines with haemoglobin and this forms a very bright red compound called… What is the name of the compound?
Oxyhemoglobin
What is the bright red compound formed when oxygen combines with haemoglobin?
Oxyhemoglobin
Other types of white blood cell produce these chemical called ____
Antibodies
What is plasma
The pale yellow, liquid part of the blood that is mostly made of water
.
Gluing pathogens together makes it easy for other white blood cells to ______
to capture and kill them
When Marcus was doing a project about red blood cells, he discovered that they are very unusual cells. Unlike white blood cells they do not have…and… What are the two things that red blood cells lack?
Nucleus and Mitochondria
Why does red blood cells not have a mitochondria?
To stop them from using up all the oxygen for themselves
Other white blood cells produce ______ to kill the pathogens directly.
Chemicals
How does the plasma help red and white blood cells?
It acts as the fluid medium that allows red and white blood cells to float and travel around the body.
What are Pathogens?
Bacteria and viruses that can cause illness when they get into the body
Mary was hearing a group of children talking to each other about how one of their friends got sick because of drinking dirty water.She got curious and immediately went to her biology teacher and asked why do we get sick when we drink dirty water and what helps fight the germs when they enter our body? Her teacher told told her that there are bacteria and viruses that can cause illnesses when they get into our body and that white blood cells help fight them. What are the bacteria and viruses called?
Pathogens
An adult human has at least ____ trillion red blood cells in their body.
20
Why does white blood cells not look white in a microscope photograph?
Stain is added
Plasam has many substances dissolved in it . Name one substance with an example
It carries glucose from your digestive system to every single cell for energy.
What is one thing that many antibodies do to pathogens , so the pathogens cannot move?
Glue/stick them together
Rob was jogging for an hour straight and after he was done he was breathing more faster and got tired. What is the role of the blood in helping him regain his energy?
Blood carries oxygen from the lungs to all the cells in the body. The cells use oxygen to release energy from food, which helps the body work properly.