Big Test

Question 1

Vein

Answer 1

A blood vessel that carries blood back to the heart

Question 2

Spinal cord

Answer 2

A thick column of nervous tissue that links the brain to nerves in the body

Question 3

Gland

Answer 3

An organ that produces and releases chemicals either through ducts or the bloodstream

Question 4

Tissue

Answer 4

A group of similar cells that perform a specific function

Question 5

Capillary

Answer 5

A tiny blood vessel where substances are exchanged between the blood and the body cells

Question 6

Alveoli

Answer 6

Tiny sacks of lung tissue specialized for the movement of gases between air and blood

Question 7

Synapse

Answer 7

The junction where one neuron can transfer an impulse to the next structure

Question 8

Negative feedback

Answer 8

A process in which a system is turned off by the condition it produces

Question 9

Digestion

Answer 9

The process that breaks complex molecules of food into smaller nutrient molecules

Question 10

Reflex

Answer 10

An automatic response that occurs rapidly and without conscious control

Question 11

Bronchi

Answer 11

The two passages that direct air into the lungs

Question 12

Hormone

Answer 12

The chemical produced by an endocrine gland. A chemical that affects growth and development.

Question 13

Carbohydrate

Answer 13

An energy rich organic compound such as a sugar or a starch that is made of elements of carbon, hydrogen and oxygen

Question 14

Circulatory system

Answer 14

An organ system that transports needed materials to cells and removes waste

Question 15

Saliva

Answer 15

A fluid produced in the mouth that aids and mechanical and chemical digestion

Question 16

Organ

Answer 16

A body structure that is composed of different different kinds of tissues that work together

Question 17

Brain

Answer 17

The part of the central nervous system that is located in the skull and controls most functions in the body

Question 18

Oregon system

Answer 18

A group of organs that work together to perform a major function

Question 19

Lymph

Answer 19

Fluid that travels through the lymphatic system, consisting of water, white blood cells and dissolved materials

Question 20

Nephron

Answer 20

Small filtering structure found in the kidneys that removes waste from blood and produces urine

Question 21

Excretion

Answer 21

The process by which wastes are removed from the body

Question 22

Nutrients

Answer 22

Substances in food that provide the raw materials and energy needed for an organism to carry out its essential processes

Question 23

Neuron

Answer 23

A cell that carries information through the nervous system

Question 24

Response

Answer 24

An action or change in behavior that occurs as a result of a stimulus

Question 25

Enzyme

Answer 25

A type of protein that speeds up chemical reactions in the body

Question 26

Artery

Answer 26

A blood vessel that carries blood away from the heart

Question 27

Peristalsis

Answer 27

Waves of smooth muscle contraction that move food through the esophagus toward the stomach

Question 28

Stress

Answer 28

The reaction of a person’s body to potentially threatening, challenging or disturbing events

Question 29

Stimulus

Answer 29

Any change or signal in the environment that can make an organism react in someway

Question 30

Gland

Answer 30

An organ that produces and releases chemicals either through duct into the bloodstream