Coordination and control

The basic unit of the nervous system is the:

• 1 Nephron
• 2 Platelet
• 3 Neuron
• 4 Alveolus

The hormone that controls blood sugar is:

• 1 Thyroxine
• 2 Adrenaline
• 3 Oestrogen
• 4 Insulin

The part of the brain that controls balance is the:

• 1 Pituitary
• 2 Cerebrum
• 3 Medulla only
• 4 Cerebellum

Plant hormones that promote growth in stems are called:

• 1 Antibodies
• 2 Insulins
• 3 Auxins
• 4 Enzymes

A quick automatic response to a stimulus is a:

• 1 Reflex action
• 2 Learned skill
• 3 Hormone
• 4 Thought

The brain and spinal cord form the:

• 1 Peripheral nervous system
• 2 Skeleton
• 3 Central nervous system
• 4 Endocrine system

The part of the eye that controls how much light enters is the:

• 1 Retina
• 2 Cornea
• 3 Iris
• 4 Lens

Hormones are carried to their target organs by:

• 1 Lymph only
• 2 Nerves
• 3 Blood
• 4 Bile

The ear bones are called:

• 1 Vertebrae
• 2 Cartilage
• 3 Ossicles
• 4 Tendons