Nerves, Hormones and Homeostasis

Select all of the organs of the nervous system:

• Brain

• Heart

• Spinal Cord

• Stomach

The basic unit of structure and function in the nervous system is a nerve cell. Nerve cells are also called-

• Osteocytes

• Dendrites

• Neurons

• Spinal Cords

What is the function of a nerve?

• To transport needed food around the body

• To control body movement for reflexes.

• To carry messages (impulses) to and form the Central Nervous System

• All of the above

The Central Nervous system includes what two organs?

• Brain and Nerves

• Brain and Spinal Cord

• Spinal cord and Nerves

• Nerves and Neurons

The column of tissue connecting the brain to nerves is...

• spinal cord

• central nervous system

• peripheral nervous system

• All of the above

Which of the following is not regulated by homeostasis?

• body temperature

• blood sugar

• blood pH

• body movements

____________________ helps warm the human body when we are cold.

• sweating

• shivering

• inhaling oxygen

• exhaling carbon dioxide

Maintaining body temperature is an example of a:

• negative feedback loop
• positive feedback loop

Which of the following is an example of positive feedback?

• Thermoregulation

• Blood Pressure

• Childbirth

• Blood Sugar Levels

The two types of feedback systems that help organisms maintain homeostasis are:

• positive and negative 
• receptor and effector
• static and dynamic
• minor and major