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27 Cards in this Set

  • Front
  • Back

Name 3 ways that the body gains water?

Food


Drinking


Chemical reaction

Name 4 ways that the body’s loses water

Passing urine


In faeces


Breathing out


Sweating

What are the kidneys 2 main functions ?

Maintaining water balance and cleaning blood by filtration


Getting rid of poisonous waste suck as urea.


Also reabsorb substances which as glucose and stats

Which substance is urea made from in the body?

Protein

Where is anti diuretic hormone made?

Pituitary gland

What does ADH cause the kidney to reabsorb?

Water

What happens when you drink a lot of water ?

Water concentration of the blood increases

What happens when not a lot of water has been drunk ?

Water concentration of the blood decreases and level of ADH released to the brain is decreased

What does the bladder do ?

Stores urine

Which poisonous substance is removed from the blood in the kidney ?

Urea

Which too substances does urine contain ?

Water


Urea

When water concentration rises in the blood, state 3 things that happen.

Pituitary gland releases lees ADH, less water absorption from the kidney tubes and blood concentration falls

When water concentration falls in the blood, state 3 things that happen.

Pituitary gland releases more ADH


More water reabsorbed


Small volume of concentrated urine

Which organ monitors glucose levels in the body?

Pancreas

What does insulin do when glucose levels become too high ?

It changes glucose into glycogen

What does glucagon do when glucose levels become too low?

Insulin turns back into glucose

Where are insulin and glucagon made in the body ?

Pancreas

Where do insulin and glucagon have their effect in the body?

Liver

What name is given to the disease where sugar levels in the body can not be controlled?

Diabetes

How is type 1 diabetes controlled?

Insulin injections

How is type 2 diabetes controlled?

Tablets


Diet

Name 3 responses to an increase in body temp

Sweat


Metabolism slows


Hair flattens

Name 3 responses to a decrease in body temp

Shivering


Hair raises


Metabolism slows

Name two stimuli to which woodlice respond

Dry


Light

Explain why woodlice behave this way

The woodlice prefer the damp dark side

2 reasons why birds migrate

Decrease in daylight hours


More food

What is the trigger stimulus for this migration to begin ?

Less daylight hours