Science

Question 1

A system is to carry oxygen and nutrients to every cell of the body and to remove carbon dioxide and other wastes from the cells

Answer 1

Circulatory system

Question 2

Is about the size of your clenched fist

Answer 2

The heart

Question 3

Heart is divided into four chambers

Answer 3

The left and right atria. The left and right ventricles

Question 4

The two upper chambers are the

Answer 4

Right and left atria

Question 5

Two lower chamber are the

Answer 5

Right and left ventricles.

Question 6

They receive blood coming into the heart

Answer 6

Right and left atria

Question 7

They pump out of the heart

Answer 7

Right and left ventricles

Question 8

A wall of tissue, called ________, divides the heart in half, prevents blood from flowing between the two atria or two ventricles, and separates the flow of oxygenated (oxygen-rich) and de oxygenated (oxygen poor) blood.

Answer 8

Septum

Question 9

Is also known as the “river of life”

Answer 9

Blood

Question 10

Is a pale yellowish liquid that is about 92 percent water. The remaining eight percent is made up of dissolved complex mixture of various substances.

Answer 10

Blood plasma

Question 11

Are also called (erythrocytes).

Answer 11

Red blood cells

Question 12

When they worn out, they are destroyed in the spleen and the liver. The RBCs to carry oxygen throughout the body. They contain the red chemical pigment called

Answer 12

Hemoglobin

Question 13

This pigment enables RBC to transport oxygen from the lungs to all cells in the body.

Answer 13

Hemoglobin

Question 14

Also known as leukocytes

Answer 14

White blood cells

Question 15

Or thrombocytes.
They play a part in the clotting of blood

Answer 15

Blood platelets

Question 16

Are blood vessels that move away from the heart.

Answer 16

Arteries

Question 17

Are blood vessels that move blood with wastes toward the heart.

Answer 17

Veins

Question 18

Is a flap of tissue that prevents the backflow of blood and keeps its flow in one direction

Answer 18

Valve

Question 19

Thai allows achten and nutrients to diffuse through the capillary walls and into the body cells.
Arteries and veins are connected by very small vessels called

Answer 19

Capillaries

Question 20

Sometimes referred to as the “other” circulatory system

Answer 20

The lymphatic system

Question 21

Is a network of lymphatic vessels and tiny bean-shaped structures called

Answer 21

Lymph nodes

Question 22

Once a leaked fluid passes by diffusion into the lymphatic vessels, it becomes a

Answer 22

Lymph.

Question 23

These nodes are then filled with white blood cells called

Answer 23

Lymphocytes

Question 24

Lymphocytes are also produced in the __________, the largest organ of the lymphatic system

Answer 24

Spleen

Question 25

Acting as a double pump, the hearts pumps blood throughout the body in a continuous circulatory system. It is divided into two parts—

Answer 25

pulmonary and systemic circulations.

Question 26

Transport oxygen-depleted blood from the heart to the lungs.

Answer 26

Pulmonary circulation

Question 27

Carries oxygenated blood from the heart to the organs and tissues.

Answer 27

Systemic circulation

Question 28

Is the disease of the arteries that is associated with cholesterol called plaque inside the walls of the arteries

Answer 28

Atherosclerosis

Question 29

Is a disorder that results from blockage brought by the hardening of arteries in the brain or in the neck vessels leading to the brain.

Answer 29

Stroke

Question 30

Disorders of the blood vessels

Answer 30

Atherosclerosis and stroke

Question 31

Diseases of the heart

Answer 31

Coronary heart disease and hypertensive heart disease and rheumatic heart disease

Question 32

The inability of the blood to reach the coronary arteries of the heart can lead to a disease known as

Answer 32

Coronary heart disease

Question 33

Or elevated blood pressure results from the tightening of the arteriolar, the smallest arteries of the body.

Answer 33

Hypertensive heart disease

Question 34

Is a heart disease that usually occurs in the children

Answer 34

Rheumatic heart disease

Question 35

Disorders of blood

Answer 35

Hemophilia and anemia

Question 36

The blood does not clot properly

Answer 36

Hemophilia

Question 37

Is a condition wherein the red blood cell count stays persistently low.

Answer 37

Anemia

Question 38

Air is approximately

Answer 38

78 percent nitrogen and 21 percent oxygen.

Question 39

Is the overall exchange of gases between the atmosphere

Answer 39

Respiration

Question 40

Is just a phase in respiration

Answer 40

Breathing

Question 41

The body system that gets oxygen into the body and removes carbon dioxide from the body is the Consists of the lungs and the various breathing tubes that allow air to reach lungs.

Answer 41

Respiratory system