The finger-like projections within the small intestine are the ? .
What are villi?
The central nervous system consists of the brain and ? .
What is the spinal cord?
What are the strong bands of connective tissue that connect bones to each other?
What are ligaments?
What disease does the human immunodeficiency virus (HIV) cause?
What is AIDS?
The time between a person becoming infected and displaying symptoms of disease is the ? period.
What is the incubation period?
The part of the brain primarily responsible for thought, memory, and consciousness is the ? .
What is the cerebrum?
he light-sensitive layer of the eye that converts light rays into nerve impulses and transmits them to the brain is the ? .
What is the retina?
In the Linnaean system of classification, what level comes between the phylum and the order?
What is a class?
What hormone is produced by the thyroid gland to regulate body metabolism?
What is thyroxine?
A substance that stimulates the body to develop immunity to a pathogen as it would if infected with that pathogen is a(n) ? .
What is vaccine?
The skin structures that help regulate body temperature are the ? .
What are sweat glands?
The body system consisting of various glands that produce hormones is the ? system.
What is the endocrine system.
What is the primary purpose of ATP in the body?
What is storing energy?
What main type of plant tissue forms most of the body of a plant?
What is structural tissue?
Why the lymphatic system does not include a pump?
What is because the lymphatic system does not transport oxygen
Ingested food is stored and mixed with gastric juice in the ? .
What is the stomach?
What is considered part of the body's specific defenses because it is unique to the pathogen being fought?
What are antibodies?
What group of muscles in the front of the thigh straighten the leg?
What are the quadriceps femoris ?
That every infectious disease is caused by a specific pathogen is the ? .
What is the germ concept (of disease)?
Why are viruses are often not considered living things?
What is that viruses do not carry on life processes?
The lymph node groups located in the ileum of the small intestine are ? patches.
What are the Peyer's patches
What part of the ear translates sound vibrations into nerve impulses?
What is the cochlea?
What are the individual contracting units of a skeletal muscle cell?
What are sarcomeres?
What hormone could potentially be used to treat disorders in which a person has difficulty falling asleep?
What is melatonin.
Why is the amount of fluid filtered by the glomerulus much greater than the amount of urine produced?
What is that the renal tubules return water to the blood.