Courses
Teacher-curated, self-paced courses. Looking for a guided sequence through a full topic? See Learning Paths.
4 courses
Hormones, the Hypothalamus, the Pituitary and the Thyroid New
Biology · High School (11–12) · Hormones and the Endocrine System
FreeCh 18 · 1/3
What a hormone is and why the body needs a second control system beside the nerves. How the hypothalamus controls the pituitary, what each pituitary hormone does, and what the pineal and thyroid glands add. Goitre, cretinism, gigantism and diabetes insipidus are explained as hormone slips.
3Lessons10Problems2Python Labs1Question Set1Mock Test
The Adrenal Gland, the Pancreas, the Parathyroid, the Thymus and the Gonads New
Biology · High School (11–12) · Hormones and the Endocrine System
FreeCh 18 · 2/3
How the adrenal glands prepare the body for an emergency and keep the salts in balance. How insulin and glucagon hold the blood sugar steady, and what goes wrong in diabetes mellitus. Then the parathyroid and the calcium of the blood, the thymus, and the hormones of the testis and the ovary.
3Lessons10Problems2Python Labs1Question Set1Mock Test
Hormones of the Heart, Kidney and Gut, Receptors and Integration New
Biology · High School (11–12) · Hormones and the Endocrine System
FreeCh 18 · 3/3
The hormones made outside the main glands, by the heart, the kidney and the gut. How a hormone finds its cell, and why a peptide hormone and a steroid hormone act in different ways. Then how feedback loops and the two control systems work together to keep the body steady.
3Lessons10Problems2Python Labs1Question Set1Mock Test
Coordination in Plants and Hormones in Animals
Biology · High School (9–10), General · Plant Hormones and Movements, Hormones and the Endocrine System
FreeCh 5 · 2/2
Plants respond to light, gravity, water and touch, and their hormones control growth. In animals, glands release hormones that control growth, sugar and the body's response to danger.
3Lessons11Problems2Python Labs1Question Set1Mock Test