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Biology > Human System > Flashcards

Human System Flashcards

1
Q

Which are the levels of organization in human systems?

A

Atom, molecule, organelles, cell, tissue, organ, organ system, and organism.

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2
Q

It is the smallest unit in all things:

A

Atom

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3
Q

Which are the three subatomic particles the Atom has?

A

Protons, Neutrons, and Electrons.

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4
Q

Are a group of atoms that join together:

A

Molecule

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5
Q

Is an organ of a cell with a specific job: has molecules such as DNA and proteins.

A

Organelle

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6
Q

There are about 200 different types of them inside you:

A

Cells

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7
Q

Are a group of cells that are similar to one another an have the same functions:

A

Tissues

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8
Q

Which are the four different tissues in the human body?

A

Epithelial, Connective, muscular, and nervous

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9
Q

What is the Epithelial tissue for?

A

Skin, lines in the stomach and lungs.

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10
Q

What is the muscle tissue for?

A

Produce movement in heart and skeleton.

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11
Q

What is the connective tissue for?

A

Tendons, bones, ligaments and cartilage.

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12
Q

What is the nervous tissue for?

A

Homeostasis

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13
Q

What is homeostasis?

A

Internal balance

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14
Q

A group of tissues that join to do a specific function.

A

Organs

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15
Q

A group of organs that work together to do a specific task:

A

Organ system or group of organs

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16
Q

All of its system must work and interact together:

A

Organisms

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17
Q

How many body systems are there?

A

11 body systems

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18
Q

Which are some of the 11 body systems?

A

Nervous, endocrine,respiratory and circulatory

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19
Q

Which organ systems communicate between each other?

A

The nervous and endocrine system.

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20
Q

What do the communication between the organ systems (nervous and endocrine) helps for?

A

It helps maintain homeostasis, and regulation of internal environment.

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21
Q

It causes a response from your body:

A

Stimulus

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22
Q

They can be chemical, behavioral, or cellular:

A

Responses

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23
Q

What does the endocrine and nervous system also respond to?

A

Stimuli

24
Q

Is a communication system that runs all throughout your body:

A

The nervous system

25
Q

What are the cell’s of this system called:

A

Neurons

26
Q

What does a neuron does?

A

Conducts electrical impulses that allows cells, tissues, and organs to detect when to respond to stimuli.

27
Q

Which are the three regions of a neuron?

A

Dendrites, cell body, and axon.

28
Q

Which are the three types of neurons?

A

Sensory, interneurons, and motor.

29
Q

Controls thought, movement and emotion.

A

The nervous system

30
Q

Is a group of organs that release hormones called glands.

A

The endocrine system

31
Q

A hormone is a chemical released by a gland that influences cells in how to function.

A

Hormones

32
Q

Gives O2 to body cells and removes CO2 wastes from cells.

A

The respiratory system

33
Q

Which are the two processes that make up the respiratory system?

A

Breathing and respiration

34
Q

What is breathing?

A

Is the movement of air into and out of the lungs.

35
Q

How many types of respiration there are and which are they?

A

2 types, external and internal respiration.

36
Q

What is the internal respiration?

A

Is the exchange of gases between blood and cells.

37
Q

What is the external respiration?

A

Is the exchange of gases between the blood and the environment.

38
Q

Which is the path of air?

A
  1. Air enters through the nose. 2. Then the air passes through the pharynx. 3. The epiglottis prevent from food to get into the respiratory tubes. 4. Air passes from larynx to trachea. 5. The trachea divides into 2 large tubes called bronchi. 6. Bronchi lead to the lungs. 7. Bronchi divides into smaller tubes called bronchioles. 8. The path ends in the alveoli, that are small bags of air. 9. The brain determines how fast you need to breathe. 10. When there is more CO2 in the blood the breathing speed increases.
39
Q

What is the pharynx? (Synonym)

A

Throat

40
Q

What does the epiglottis is like?

A

A flap

41
Q

What is the larynx?

A

Voice box

42
Q

What is the trachea?

A

Wind pipe or wind tube

43
Q

Transport blood to deliver O2 and nutrients to cells and removes wastes like CO2:

A

Circulatory system

44
Q

What are the functions of the circulatory system?

A

It regulates temperature, it carries disease-fighters materials, and it contains proteins for blood clotting.

45
Q

Are the bodies network of channels, “roads” for blood:

A

Blood vessels

46
Q

How many types of blood vessels are they and which are their names?

A

3 types, veins, arteries and capillaries.

47
Q

What are arteries for?

A

Carry oxygenated blood away from the heart and to the body’s cells.

48
Q

Are where exchanges of substances and wastes occur through the process of diffusion, also they connect arteries and veins:

A

Capillaries

49
Q

What are veins?

A

Carry deoxygenated blood back to the heart.

50
Q

What do veins contain to prevent the backward flow of blood?

A

Valves

51
Q

It is made of cardiac muscle and it makes the “lub dub” sound:

A

The heart

52
Q

On how many rooms or chambers is the heart divided into?

A

Four rooms or chambers.

53
Q

How are the rooms or chambers of the heart called?

A

Right and left atrium. Right and left ventricle.

54
Q

How are the valves inside the heart called and how many are they?

A

There are four valves in the heart and they are the tricuspid, the pulmonary, the mitral, and the aortic valves.

55
Q

The heart does two pumping functions at the same time, which are they?

A

1) Pumps oxygenated blood to the body.

2) Pumps deoxygenated blood to the lungs.

Biology (3 decks)

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