Blood Proteins and The Lymphatic system

Question 1

What is hemoglobin?

Answer 1

A protein found in red blood cells . Used to transport oxygen around the body . Removes CO2 as a waste product . Oxyhemoglobin is the oxygenated form.

Question 2

What does myoglobin do?

Answer 2

Found in the muscle cells , stores O2 , only carries 1 O2 molecule. Oxygen + iron binding protein which release oxygen to muscle cells when levels are low

Question 3

What is foetal hemoglobin and what does it do ?

Answer 3

Foetal hemoglobin has a higher affinity for O2 and is more efficient .

A foetus cannot use their lungs so relies on oxygen and CO2 via diffusion

Question 4

What is the lymphatic system?

Answer 4

A secondary transport system that protects and maintains the body by producing and filtering lymph . It also filters fats and extra fluid from the gut.

Question 5

What is lymph ?

Answer 5

A clear white fluid that contains white blood cells and arises from the drainage of fluid from the blood and surrounding tissue

Question 6

Where does lymph come from?

Answer 6

Plasma leaks out of the capillaries and bathes the cells with nutrients . The fluid is called tissue fluid once it leaves the capillary. 10% of this seeps though into the lymph vessel to become lymph

Question 7

What is a lymph node?

Answer 7

collection centers for lymph, all lymph passes through them which filters out damaged cells , cancer cells and foreign bodies

Lymph nodes contain white blood cells

Question 8

What is the function of the lymphatic system ?

Answer 8

To remove damaged cell , protect against infection