Human Body Systems Test

Which organ system makes blood cells?

• nervous system

• circulatory system

• skeletal system

• digestive system

A(n) ______ muscle contracts under unconscious control.

• Involuntary

• Skeletal

• Voluntary

• Striated

The process by which an organism’s internal environment is kept stable in spite of changes in the external environment is called

• Healing

• Homeostasis

• Action potential

• Autonomic nervous system

Which part of the brain controls conscious activities, memory, language, and the senses?

• medulla oblongata

• thalamus

• cerebellum

• cerebrum

Which type of muscle makes up the heart?

• Cardiac

• Skeletal

• Smooth

• all of these

Which type of muscle tires quickly during exercise?

• breathing muscle

• cardiac muscle

• smooth muscle

• skeletal muscle

The bones that form the backbone are called

• carpals

• metatarsals

• tibia

• vertebrae

What part of a neuron carries nerve impulses away from the cell body?

• axon

• nucleus

• synapse

• dendrite

Which type of muscle is found in internal organs?

• smooth

• striated

• skeletal

• voluntary

How does the skin protect the body from disease?

• by keeping disease-causing microorganisms from entering the body

• by gathering information about the environment

• by increasing body temperature when it is cold

• by supplying water to the body through the pores