Grade 8 Topic 1 half way through

Endocrine glands secrete _

• Hormones

• Neurotransmitters

• A wide range of chemical substances

What is the main function of the endocrine system?

• It creates chemicals, or hormones, that are sent around the body to maintain homeostasis.

• It creates electrical messages that are sent around the body to maintain homeostasis.

• It maintains the correct level of oxygen in the body to maintain homeostasis.

• It releases waste from the body to maintain homeostasis.

The "master gland" is known as the __________________.

• thyroid gland.

• adrenal gland.

• pancreas.

• pituitary gland.

What is a nerve cell?

• axon

• neuron

• dendrite

• myelin

Which 2 are parts of the central nervous system?

• brain

• nose

• spinal cord

• left big toe

What type of neuron is A?

• Sensory

• Inter

• Motor

What type of neuron is B?

• Sensory

• Inter

• Motor

What type of neuron is C?

• Sensory

• Inter

• Motor

Which is the correct order of neurons in a reflex arc?

• Sensory neuron, motor neuron, relay neuron

• Relay neuron, sensory neuron, motor neuron

• Sensory neuron, relay neuron, motor neuron

What is the final component of a reflex arc?

• Effector

• Receptor

• Afferent Pathway