Biology: Human Body Systems II

The term for salt used on food labels is

The system that filters the blood and returns the fluid to general circulation

Which two substances are found in an alveoli of the lungs?

Which system assists digestion in the mouth when chewing food?

Cereal and grains provide ...

The process by which organ systems maintain relatively constant internal conditions is

The purpose of sweating is to

Some digestive organs secrete hormones which means some,,,

Muscles that flex and extend the arm are

Autoimmune diseases result when the immune system

Humans have ...

Function of the skeletal system

Systems involved in a reflex arc when touching a hot surface

How would the excretory system respond to thirst?

The circulatory system is directly responsible for which of the following

How does the excretory maintain homeostasis?

The liver creates urea from amino groups. Which system rids the urea from the body?

Striated muscles appear ---

When a person is frightened or upset, which system is not necessary?

Which types of muscle tissue are involuntary?

Unlike passive immunity, in active immunity antibodies are produced by ...

The body's most important nonspecific defense is

Which systems support a bird in flight?

Which system is associated wtih these terms--denrite, cell body, axon, myelin sheath

Photoreceptors in the retina in the back of the eye that allows only black and white images

A medical treatment that does the work for failing kidneys

When the body tries to regulate blood sugar, body temperature, or blood pressure, it maintains

Damage to the villi that increase surface area in the small intestine will decrease

Photoreceptors in the retina in the back of the eye that produce color vision

Starfish have ____________ symmetry

Drugs that increase the heart rate, blood pressure, and respirations are ...

When the skin is damaged, an infection can result from microorganisms

Types of drugs that slow down the activity of the central nervous system

The esophagus moves food down to the stomach by muscle movement called

The main function of the skin is