Learn about hormones and their effect on our body.
Which tube in the urinary system goes from the kidney to the bladder?
The collecting duct.
What happens if the concentration of water in the blood decreases?
Less ADH is released, causing the kidney to reabsorb less water.
More ADH is released, causing the kidney to reabsorb less water.
More ADH is released, causing the kidney to reabsorb more water.
Which blood vessels supply the kidneys?
The hepatic arteries.
The renal arteries.
The pulmonary arteries.
How do hormones like insulin travel around the body?
In the nerve cells.
In the bloodstream.
In a gland such as the pancreas.
What effect does insulin have on blood glucose concentration?
It increases the concentration of glucose.
It increases the concentration of sucrose.
It decreases the concentration of glucose.
What happens when blood glucose levels become too high?
Insulin is secreted, causing the conversion of glucose to glycogen.
ADH is secreted, causing the conversion of glucose to glycogen.
Insulin is secreted, causing the conversion of glycogen to glucose.
What is phototropism?
A response to light.
A response to gravity.
A response to temperature.
Where is auxin made in a plant?
In the older part of a stem or root.
In all cells.
In the growing tip of a stem.
When exposed to unilateral light, which side of a stem contains more auxin?
The shaded side.
The illuminated side.
Both sides contain the same amount of auxin.
What is the benefit of phototropism?
Increased production of auxin.