Blood Glucose
What increases the gap between the original level and the new level?
Positive feedback
Risk factors for type 2 diabetes
Obesity (over eating/lack of exercise). Genetic factors. Poor diet.
Name 3 responses to heat in humans
- Sweating
- Behavioural responses (remove clothing/shade/reduce activity)
Where does the glomerular filtrate travel after the Bowman's capsule?
Proximal convoluted tubule
Which country is the largest producer of coffee in the world?
a) Colombia
b) Vietnam
c) Ethiopia
d) Brazil
Brazil
What decreases the gap between the original level and the new level so that the level is restored?
Negative feedback
Treatment for type 2 diabetes
Avoid sugar. Healthy diet. Exercise.
Name 3 responses to cold in humans
- Vasoconstriction
- Shivering
- Hair erection
- Uncoupled respiration. (Instead of making ATP they produce heat).
Name 2 adaptions of the bowmans capsule that allows it to carry out ultrafiltration
- Afferent -> efferent
- Small pores
What is the only mammal capable of true flight?
Bat
______ is secreted by ________ to stimulate the liver to break down glycogen into glucose.
Glucagon / alpha ells
Whats a treatment for type 1 diabetes?
Provide the patient with insulin. (They can't produce it naturally)
Human set-point temperature
37 degrees
How is sodium reabsorbed into the blood during selective reabsorption?
Sodium/Potassium pumps. Active transport.
If someone "spills the tea," what are they doing in modern slang?
a) Making a mess
b) Sharing gossip
c) Drinking tea
d) Avoiding work
Sharing gossip
_______ is secreted by ________ to stimulate the liver cells to absorb glucose and convert it to glycogen.
Insulin / Beta cells
Cause of type 1 diabetes
Immune system destroys beta cells and so insulin isnt produced
Where are the thermoreceptors located?
Hypothalamus
What helps glucose + amino acids to be selectively reabsorbed?
Co-transport proteins
What is the only fruit that has its seeds on the outside?
Strawberry
Where are the alpha and beta cells located?
The pancreas
Cause of type 2 diabetes
Target cells become insensitive
What hormone is responsible for affecting the metabolic rate of the liver?
Thyroxin
Which hormone can affect the amount of water that is reabsorbed in the collecting duct?
ADH
Which hormone is the most abundant in a fish with no eyes?
Fsh