Science Test Human Systems

Question 1

Digestive System Functions

Answer 1

Break down food and turn it into energy

Question 2

Digestive System - Esophagus

Answer 2

Brings food and water from your mouth to your stomach

Question 3

Digestive System - Stomach

Answer 3

A flexible, bag-like organ that contains other enzymes that breaks down food into smaller parts so that the food can be used by the body and turn it into energy

Question 4

Digestive System - Small intestine

Answer 4

Digestion and absorbtion

Question 5

Digestive System - Large intestine

Answer 5

Receives digested food that the small intestine did not absorb, it also absorbs water from the remaining waste material

Question 6

Excretory System Function

Answer 6

Removes solids, liquids, and gases from the body

Question 7

Excretory System - Rectum

Answer 7

The rectum stores feces until it moves out of the body

Question 8

Excretory System - Liver

Answer 8

Removes waste from the blood. When they break down the waste, urea forms. Urea is toxic for your body

Question 9

Excretory System - Kidneys

Answer 9

Removes urea from the body making urine

Question 10

Excretory System - Bladder

Answer 10

Urine leaves each kidney through a tube, called the ureter, and is stored in a flexible sac, called the bladder

Question 11

Lymphatic System Function

Answer 11

Removing excess fluid around organs, producing white blood cells, and absorbing and transporting fats.

Question 12

Lymphatic System - Spleen

Answer 12

The spleen stores blood for an emergency

Question 13

Lymphatic System - Thymus

Answer 13

The thymus makes white blood cells

spleen makes white blood cells too

Question 14

Respiratory System Function

Answer 14

Exchanges gases between the body and the environment

Question 15

Respiratory System - Pharynx

Answer 15

When you inhale, air enters the nostrils and passes through the pharynx

Question 16

Respiratory System - Trachea

Answer 16

Air travels from the pharynx to the trachea. The trachea connects the pharynx to the bronchi

Question 17

Respiratory System - Bronchi

Answer 17

Bronchi divide into smaller tubes that end in tiny groups of cells that look like bunches of grapes. The group of cells are called alveoli

Question 18

Respiratory System - Alveoli

Answer 18

Alveoli exchange CO2 with oxygen by breathing in and out

Question 19

Respiratory System - Lungs

Answer 19

Exchange CO2 with Oxygen

Question 20

Circulatory System Function

Answer 20

It transports nutrients, gases, waste, and other substances throughout the body

Question 21

Circulatory System - Heart

Answer 21

The heart is made up of muscle cells that constantly contract and relax. Contractions pump your blood out of the heart to the rest of your body

Question 22

Circulatory System - Arteries

Answer 22

Arteries carry blood away from your heart

Question 23

Circulatory System - Veins

Answer 23

Veins transports blood that contains CO2 back to your heart

Question 24

Circulatory System - Capillaries

Answer 24

Oxygen and nutrients can travel through the capillaries to the organs and tissues

Question 25

Skeletal System

Answer 25

The Skeletal system protects our bodies from harmful substances and infection

Question 26

Two types of Diseases

Answer 26

Infectious and Noninfectious: AIDS is infectious and Cancer is noninfectious

Question 27

Line of Defense Number 1: Skin and Mucus

Answer 27

Skin and Mucus prevent toxins and other substances from entering the body. Mucus is a thick, gel-like substance in the nostrils and lungs. Mucus traps harmful substances and prevents them from entering your body

Question 28

Line of Defense Number 2: Immune response

Answer 28

In immune response, white blood cells attack and destroy harmful substances

Question 29

Line of Defense Number 3: Vaccines

Answer 29

Vaccines are used to help the body develop antibodies against infectious diseases (COVID-19)