Body Balance

Question 1

The base of the brain which controls involuntary actions such as breathing and heart beat

Answer 1

Brain Stem

Question 2

A small, crinkly part of the lower back of the brain that controls in voluntary actions such as balance and coordination

Answer 2

Cerebellum

Question 3

A system consisting of the brain, spinal-cord and nerves that runs to all parts of the body

Answer 3

Nervous system

Question 4

The largest part of the brain that controls memory, speech and voluntary actions and receives information from sense receptors

Answer 4

Cerebrum

Question 5

The cylindrical bundle of nerve fibres and associated tissue which is enclosed in the spine and connects nearly all parts of the body to the brain, with which it forms the central nervous system.

Answer 5

Spinal-cord

Question 6

Glands found in various places of the body, which produce hormones and release them directly into the blood.

Answer 6

Endocrine glands

Question 7

A system consisting of a number of endocrine glands throughout the body.

Answer 7

Endocrine system

Question 8

Chemical messengers emitted by endocrine glands that control important processes of an organism, such as growth.

Answer 8

Hormones

Question 9

The basic unit of the nervous system; a nerve cell.

Answer 9

Nerve cell/Neuron

Question 10

Nerve cells that transmit sensory information (sight, sound, feeling, etc.) they are activated by sensory input and send projections to other elements of the nervous system, ultimately conveying sensory information to the brain or spinal cord

Answer 10

Sensory Neuron

Question 11

A nerve cell forming part of a pathway along which impulses pass from the brain or spinal cord to a muscle or gland.

Answer 11

Motor neuron

Question 12

The ability or tendency to maintain internal stability in an organism to compensate for environmental changes.

Answer 12

Homeostasis

Question 13

A hormone produced in the pancreas by the islets of Langerhans, which regulates the amount of glucose in the blood. A lack of this causes a form of diabetes.

Answer 13

Insulin

Question 14

A pair of organs in the abdominal cavity of mammals, birds and reptiles, the excrete urine.

Answer 14

Kidneys

Question 15

A system of control in the body which the response acts as a stimulus to opposite the change caused by the original stimulus.

Answer 15

Negative feedback system

Question 16

An endocrine gland, located on the underside of the brain, that controls other endocrine glands.

Answer 16

Pituitary gland

Question 17

The period during which adolescents reach sexual maturity and become capable of reproduction

Answer 17

Puberty

Question 18

An organ or cell able to respond to light, heat, or other external stimulus and transmit signals to sensory nerve.

Answer 18

Receptor

Question 19

An automatic response to a stimulus without involving the brain.

Answer 19

Reflex action

Question 20

A thing or event that evokes a specific functional reaction in an organ or tissue.

Answer 20

Stimulus

Question 21

A cell which bears receptors for a hormone, drug, or other signalling molecules, or is the focus of contact by a virus, phagocyte, nerve fibre, etc.

Answer 21

Target cells

Question 22

The main organ of the nervous system, which controls all the systems of the body

Answer 22

Brain