Humans’ vestibular sense, for example, detects gravity and balance through special organs in the bony labyrinth of the inner ear. Receptors in our muscles and joints inform our sense of body position.

Brain Receives electrical impulses from sense organs, processes them and transmits electrical impulses to glands and muscles to make appropriate responses Heart Pumps blood to the body tissues and ...

Hormones travel in the blood stream to specific target organs, where they have an effect. Hormones in human reproduction - Edexcel Hormones regulate the menstrual cycle. This involves the monthly ...

Some animals have evolved abilities so bizarre they seem to break the laws of biology from sea cucumbers ejecting internal organs as a defense to axolotls regenerating entire limbs and organs. These ...

The controversy stems from the daunting immunological barrier to transplanting organs between disparate species and from the possibility that an animal organ or tissue might transmit an infectious ...

The toxicity of chemicals is also checked by animal experiments. Cell cultures, artificial tissues and organs are increasingly being used for this, but they cannot yet replace tests on a complete ...

From beating hearts to breathing lungs, organs-on-chips are some of hottest new tools for human biology research. Although these devices may bear closer ... “I think for most people, the goal is to ...

This transition represents a revolution in how we conduct safety testing – moving from reliance on animal models to an evidence-based approach that prioritizes human relevance and scientific rigor.