B11 Hormonal Coordination

Question 1

B11.1 Principles of hormonal control : Differences between Nervous and Endocrine system

Answer 1

N( effects are quick) V E(Effects take time)
N(Message transmitted along neurones) V E(Message transmitted through blood)
N(Effects short lived) V E(Effects long lasting)
N(Transmites electrical impulse) V E(Transmits chemical messages)
N(Areas of activity are CNS,PNS and neurones) V E(Glands)

Question 2

B11.1 Principles of hormonal control : PNS DEF

Answer 2

Peripheral nervous system

Question 3

B11.1 Principles of hormonal control : Pituitary gland hormones

Answer 3

TSH => Acts of thyroid => release thyroxine
ACTH => Acts on adrenal Gland => Adrenaline
FSH & LH => acts on Testes and ovaries => secretes reproductive hormones
STH => acts on whole body => causes growth

Question 4

B11.2 The control of blood glucose levels : Glucose VS Sucrose VS Starch & Glycogen

Answer 4

Glucose = saccharide
Sucrose = Disaccharide
Glycogen & Starch = Polysaccharide

Question 5

B11.2 The control of blood glucose levels : The Hormones of Pancreas

Answer 5

High blood glucose => Secretes insulin => cells absorb glucose & Liver absorbs glucose => Glycogen
Low blood glucose => Secretes Glucagon => Liver absorbs glucagon => turns glycogen into glucose

Question 6

B11.3 Treating Diabetes : Type 1 diabetes GN

Answer 6

-Serious condition where blood glucose is too high as the body cannot produce insulin
-Pancreas cannot produce insulin, sometimes due to immune system attacking pancreas cells
-Lifelong condition, that lasts from birth.
-Damages heart, eyes , feet and kidneys

Question 7

B11.3 Treating Diabetes : Type 1 diabetes Symptoms

Answer 7

-High urine production
-High thirst
-Constant tiredness (no stored glucose to take through night)
-Rapid loss of weight
-Increased hunger
-Blurred eyesight