Human Body Systems

What is the main function of the nervous system?

• To digest food

• To produce hormones

• To send and receive signals throughout the body

• To regulate body temperature

How many bones are in the adult human body?

• 206

• 210

• 207

• 205

Which muscle is responsible for pumping blood throughout the body?

• Cardiac muscle

• Biceps muscle

• Skeletal muscle

• Smooth muscle

What is the largest organ in the human body?

• liver

• heart

• intestines

• skin

Which part of the brain is responsible for balance and coordination?

• cerebellum

• frontal lobe

• hippocampus

• thalamus

What is the smallest bone in the human body?

• femur

• radius

• tibia

• stapes

Which type of muscle is striated and under voluntary control?

• Nervous muscle

• Skeletal muscle

• Cardiac muscle

• Smooth muscle

What is the purpose of the skeletal system?

• To regulate body temperature

• To aid in digestion

• To provide structural support, protect internal organs, facilitate movement, produce blood cells, and store minerals.

• To provide energy to the body

Which part of the neuron receives signals from other neurons?

• Dendrites

• Axon

• Nucleus

• Synapse

What is the name of the bone that protects the brain?

• head

• skull

• noggin

• cranium