The time it takes to respond to a stimulus

People are unable to focus on FAR objects. This occurs when the lens is the wrong SHAPE and refracts the light too much. The image is brought into foc...

Headaches and nausea. Still contract STIs.

The outer wrinkly layer of the brain, controls consciousness, memory and language

Muscles contract and glands secrete chemical substances(hormones).

Ammonia is produced as a waste product. Ammonia is toxic so it is converted into urea in the liver.

Chemical messengers that travel in the blood to target organs.

Muscles or glands that bring about a response.

ADH

Neurones that carry information from the CNS to the effectors.

Nervous is faster acting than the endocrine system.Hormones have longer lasting effects compared to electrical impulses. Nerves act on a very specific...

A plastic cup that fits over the cervix (opening to the womb) to form a barrier.

Stimulates the ripening of fruit.