Body Systems

Question 1

Tissues

Answer 1

Classifications of cells that are alike.

Question 2

Epithelial tissue

Answer 2

Tissue that covers the body, and envelops the things inside the body.

Question 3

Nerve tissue

Answer 3

Tissue that transmits signals between the brain and other parts of the body.

Question 4

Muscle tissue

Answer 4

Tissue that controls the motion of body parts.

Question 5

Organs

Answer 5

Particular structures in the body that have distinct niches. They are made up of at least two tissues.

Question 6

Organ systems

Answer 6

Sets of organs that cooperate to execute tasks which allow the body to survive.

Question 7

Digestive system

Answer 7

The organ system that breaks down food,

absorbs nutrients, and disposes of solid waste.

Question 8

Circulatory system

Answer 8

The organ system that relocates blood, oxygen, as well as liquid and solid wastes around the body.

Question 9

Nervous system

Answer 9

The organ system that operates and manages body functions. It senses and reacts to inner and outer adjustments.

Question 10

Respiratory system

Answer 10

The organ system that manages breathing, as well as the exchange of gases (O2 and CO2) within lungs and tissues. O2 in, CO2 out in animals.

Question 11

Skeletal system

Answer 11

The organ system that stabilizes the body, shields some internal organs, and cooperates with muscles to manage the motion of body parts. There are 206 bones in the body.

Question 12

Muscular system

Answer 12

The organ system that allows organs to contract and relax. It cooperates with the skeletal system to control the motion of body parts.

Question 13

What is the heart?

Answer 13

The heart is a strong muscle which pumps blood throughout the body. It is an involuntary muscle.

Question 14

Where is the heart located?

Answer 14

Between the lungs and behind the rib cage.

Question 15

What are the four chambers of the heart?

Answer 15

The right atrium, left atrium, right ventricle, and left ventricle.

Question 16

How many pumps is the heart made of?

Answer 16

The heart is made of two pumps.

Question 17

What is the pericardium?

Answer 17

A protective covering which keeps the heart from rubbing against the lungs and chest wall.

Question 18

What is the septum?

Answer 18

The muscular wall which divides the two sides of the heart.

Question 19

What are the lower chambers of the heart called?

Answer 19

Ventricles.

Question 20

On average, how many times does an adult heart beat a minute?

Answer 20

70

Question 21

What are the upper chambers of the heart called?

Answer 21

Atria.

Question 22

The right side of the heart pumps blood to what?

Answer 22

The lungs.

Question 23

The left side of the heart pumps blood to what?

Answer 23

The body.

Question 24

What do valves do?

Answer 24

They control the flow of blood through the heart.

Question 25

What are the atria?

Answer 25

The atria are holding chambers for blood entering the heart from the veins.

Question 26

What are the three things that blood does when it travels to all parts of the body?

Answer 26

It delivers food and oxygen to the cells, removes carbon dioxide and waste materials, and regulates body temperature.

Question 27

What do arteries do?

Answer 27

They carry blood away from the heart.

Question 28

What do veins do?

Answer 28

They carry blood to the heart.

Question 29

What do capillaries do?

Answer 29

The connect arteries to veins.

Question 30

What are the four components that blood is made of?

Answer 30

Red cells, white cells, platelets, and plasma.

Question 31

What are the three things that make up the circulatory system?

Answer 31

The heart, the blood vessels, and the blood.

Question 32

What chemicals does the digestive system produce?

Answer 32

Gastric juice, saliva, and pancreatic juice.

Question 33

Before food can pass into the bloodstream, it must be broken down into what?

Answer 33

Molecules.

Question 34

What is the esophagus?

Answer 34

The tube from the mouth to the stomach.

Question 35

What are digestive enzymes?

Answer 35

Chemicals.

Question 36

The parts of the food that cannot be digested pass into what?

Answer 36

The large intestine.

Question 37

Can blood go in only one direction?

Answer 37

Yes.

Question 38

How much blood does the average adult have in their body?

Answer 38

5 quarts of blood.

Question 39

What system regulates growth and hormones?

Answer 39

The endocrine system.