The Human Body

14 important questions on The Human Body

What is the role of plasma?

It delivers carbon dioxide to the lungs. It delivers  the products of digestion, and urea from the liver to the kidneys

How do red blood cells transport oxygen?

Oxygen binds to haemoglobin to form oxyhaemoglobin and then it separates back when it reaches organs

What is the role of platelets?

To aid clotting, they have no nucleus
  • Higher grades + faster learning
  • Never study anything twice
  • 100% sure, 100% understanding
Discover Study Smart

What waste products have to be removed from the body?

Urea, carbon dioxide, excess water, excess mineral ions

How is urea made and removed?

Made - In the liver through the breakdown of amino acids
Removed - In urine

How do the kidneys work?

Small molecules in the blood diffuse into the tubules and then are reabsorbed as necessary. Sugar, necessary dissolved ions and necessary water are reabsorbed. Excess water, excess dissolved ions and urea are made into urine

How do dialysis machines work?

A person's blood flows through the machine and the dialysis fluid causes all the necessary molecules to come out of the blood stream

What are the advantages and disadvantages to dialysis?

+ Not on medication
- Time consuming, not as effective, have to change lifestyle

What is the risk with transplants?

The donated organ might be rejected as the recipient's antibodies attack the antigens on the organ

What are the advantages and disadvantages of kidney transplants?

+ Not time consuming, more effective than dialysis
- Risk of rejection, have to take immunosuppressant drugs

What happens when we become too hot?

Sweat increases, vasodilation to the skin, hairs flatten

What happens when we become too cold?

Sweat decreases, vasoconstriction to the skin, hairs become erect

What does the pancreas do when blood glucose levels are too low?

It produces glucagon which converts stored glycogen into glucose and the glucose then enters the blood stream

What is Type 1 diabetes and how is it treated?

Type 1 diabetes is where the pancreas doesn't produce enough insulin. It is treated through controlling diet and exercise, and injecting insulin

The question on the page originate from the summary of the following study material:

  • A unique study and practice tool
  • Never study anything twice again
  • Get the grades you hope for
  • 100% sure, 100% understanding
Remember faster, study better. Scientifically proven.
Trustpilot Logo