Biology Paper 2: Homeostasis and response

Human endocrine system

The human endocrine system is a network of glands that produce and secrete hormones, which regulate various bodily functions such as metabolism, growth, and mood. Key glands include the pituitary, thyroid, and adrenal glands.

what happens when we eat food?

glucose is created causing insulin to be released, which helps cells absorb sugar.

what is glycogen

a stored form of glucose

is glycogen or glucagon released when your glucose levels are too low

glucagon

why is insulin needed?

Insulin is needed to regulate blood sugar levels by facilitating the uptake of glucose into cells for energy and storage.

Where and What: FSH

produced in the pituitary gland, Causes the egg to mature in the ovary and release oestrogen

Where and What: Oestrogen

produced in the ovaries, stops FSH being produced stimulates pituitary gland to produce LH

Where and What: LH

Triggers ovulation

Where and what: Progesterone

produced in the ovaries, maintains the lining of the uterus

what is an example of a hormonal method of contraception

the pill

what is an example of a non-hormonal method of contraception

vasectomies or a physical barrier

what is in fertility drugs?

FSH and LH