System
What does the endocrine system do?
It coordinates and controls processes in the body using hormones.
Name an endocrine gland.
Pituitary gland, thyroid gland, adrenal glands, etc.
How do hormones affect metabolism?
They help convert nutrients into energy and regulate energy use.
What is adrenaline?
A hormone that prepares the body for a fight or flight response during stress.
How does the body respond to heat?
It dilates blood vessels and produces sweat to cool down.
What are hormones?
Chemical messengers produced by endocrine glands that are released into the bloodstream.
What does the pituitary gland do?
It stimulates other endocrine glands to release hormones.
What is puberty?
A developmental stage where the body matures and becomes capable of reproduction, influenced by hormones.
What is testosterone?
A hormone that promotes male physical development and characteristics.
What happens during stress?
The body releases adrenaline and other hormones to prepare for action.
What is homeostasis?
A stable state of balance in the body’s internal environment.
What does the thyroid control?
It controls metabolism.
How do hormones help during sickness?
They regulate immune responses and recovery processes.
What is oestrogen?
A hormone that regulates female physical development and reproductive functions.
What is a response to fear?
Increased heart rate, faster breathing, and heightened alertness due to adrenaline release.
How does the body respond to being cold?
It constricts blood vessels and may cause shivering to generate heat.
Identify a function of the adrenal glands.
They help regulate metabolism, blood pressure, and the stress response.
What is the role of the thymus?
It produces thymosin to stimulate the production of T cells for the immune system.
What are T3 and T4 hormones?
Hormones produced by the thyroid that regulate energy use and metabolism.
How does the body cool down?
By sweating and dilating blood vessels to lose heat.
What role do hormones play in stress?
Hormones like adrenaline prepare the body for a "fight or flight" response during stress.
What hormone do the adrenal glands produce?
Adrenaline.
How do hormones regulate hunger?
They signal when to eat and when to stop eating based on energy needs.
What does thymosin do?
It stimulates the production of T cells to help the body fight infections.
What is the impact of exercise on the endocrine system?
It stimulates hormone release for energy and muscle development.