Animal tissues, organs and organ systems 4

Question 1

What products do the blood carry?

Answer 1

Glucose, amino acids, fatty acids and glycerol.
They also have oxygen and carbon dioxide

Question 2

What is haemoglobin?

Answer 2

The protein in red blood cells that can temporarily bind with oxygen to carry it around the body

Question 3

What does haemoglobin mind with?

Answer 3

Oxygen. It diffuses into your blood in the alveoli. This is called oxyhemoglobin

Question 4

How are red blood cells adapted to carry oxygen?

Answer 4

Biconcave shape gives a high surface area to volume ratio.
Also having new nucleus means there is more room for haemoglobin

Question 5

What do white blood cells do?

Answer 5

They are part of our immune system and fight off pathogens

Question 6

Do white blood cells have a nucleus?

Answer 6

Yes

Question 7

What is a phagocyte?

Answer 7

A types of white blood cell which engulfs pathogens

Question 8

What is a lymphocyte?

Answer 8

A type of white blood cell that produces antibodies to help clump pathogens together to make them easier to destroy

Question 9

What is a platelet?

Answer 9

Small structures in your blood that fuse together to form a scab

Question 10

How do platelets begin the clotting process?

Answer 10

They release chemicals called clotting factors. They turn into a chemical called fibrinogen, which is found in the blood plasma? into fibrin. This forms a scab