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Long Science Quiz > Science > Flashcards

Science Flashcards

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Biology 101 flashcards
1
Q

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

A

Circulatory system

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2
Q

Is about the size of your clenched fist

A

The heart

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3
Q

Heart is divided into four chambers

A

The left and right atria. The left and right ventricles

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4
Q

The two upper chambers are the

A

Right and left atria

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5
Q

Two lower chamber are the

A

Right and left ventricles.

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6
Q

They receive blood coming into the heart

A

Right and left atria

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7
Q

They pump out of the heart

A

Right and left ventricles

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8
Q

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.

A

Septum

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9
Q

Is also known as the “river of life”

A

Blood

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10
Q

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.

A

Blood plasma

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11
Q

Are also called (erythrocytes).

A

Red blood cells

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12
Q

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

A

Hemoglobin

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13
Q

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

A

Hemoglobin

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14
Q

Also known as leukocytes

A

White blood cells

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15
Q

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

A

Blood platelets

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16
Q

Are blood vessels that move away from the heart.

A

Arteries

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17
Q

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

A

Veins

18
Q

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

A

Valve

19
Q

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

A

Capillaries

20
Q

Sometimes referred to as the “other” circulatory system

A

The lymphatic system

21
Q

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

A

Lymph nodes

22
Q

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

A

Lymph.

23
Q

These nodes are then filled with white blood cells called

A

Lymphocytes

24
Q

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

A

Spleen

25
Q

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

A

pulmonary and systemic circulations.

26
Q

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

A

Pulmonary circulation

27
Q

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

A

Systemic circulation

28
Q

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

A

Atherosclerosis

29
Q

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.

A

Stroke

30
Q

Disorders of the blood vessels

A

Atherosclerosis and stroke

31
Q

Diseases of the heart

A

Coronary heart disease and hypertensive heart disease and rheumatic heart disease

32
Q

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

A

Coronary heart disease

33
Q

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

A

Hypertensive heart disease

34
Q

Is a heart disease that usually occurs in the children

A

Rheumatic heart disease

35
Q

Disorders of blood

A

Hemophilia and anemia

36
Q

The blood does not clot properly

A

Hemophilia

37
Q

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

A

Anemia

38
Q

Air is approximately

A

78 percent nitrogen and 21 percent oxygen.

39
Q

Is the overall exchange of gases between the atmosphere

A

Respiration

40
Q

Is just a phase in respiration

A

Breathing

41
Q

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.

A

Respiratory system

Long Science Quiz (1 decks)

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