What are nerve cells called?

What organ in the Excretory System is in charge of filtering blood to remove cellular waste products from the body?

What part of the immune system is the first line of defense against bacteria and viruses?

What organ in the Respiratory System is lined with cilia to filter air of small objects before they reach the lungs?

What is the involuntary muscle contractions which help move food along the esophagus?

What is produced in the male reproductive organ by the millions?

What is the process called when an egg is released into the fallopian tubes?

What Digestive organ digests food mechanically and chemically, using teeth and saliva?

What immune cells fight so furiously that they accidentally kill off good cells and things that the body needs?

What is the function of the sensory nerves in the peripheral nervous system?

What body system is being used when the body is obtaining oxygen and releasing carbon dioxide, through a process of inspiration and expiration?

What gland of the Endocrine System releases melatonin to help us sleep?

What are the cells called that produce the pigment that gives us color?