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Biology 20 > Unit 2 > Flashcards

Unit 2 Flashcards

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1
Q

What is the Lymphatic System?

A

a network of tissues and organs that help rid the body of toxins, wastes, and other unwanted materials.

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2
Q

True OR False: Lymph travels by way of open ended lymphatc vessels throughout your blood.

A

True!

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3
Q

What are the 3 functions of the lymphatic system?

A
  1. Transport WHITE BLOOD CELLS to and drom your lymph nodes. (To fight infections)
  2. Absorb digested fats into lymph vessels called Lacteals.
  3. Remove excess fluid from tissues/organs (Drainage)
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4
Q

What is the function of your Tonsils?

A

Found in the pharynx. Helps fight infections that enter the body.

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5
Q

What is the function of your Spleen?

A

Acts as a reservoir for blood and a filtering site for lymph.

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6
Q

What is the function of your Thymus?

A

Located in front of the trachea. Contains T cells (helps fight infections)

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7
Q

What is the function of your Lymph Nodes?

A

Mass of tissues that store lymphocytes (white blood cells) and removes bacteria from lymph.

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8
Q

What is the function of your Bone Marrow?

A

The area where ALL blood cells are produced.

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9
Q

What is the average number of systolic blood pressure?

A

120!

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10
Q

What is the average number of diastolic blood pressure?

A

80!

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11
Q

Low blood pressure happens when ventricles are _______.

A

Filling.

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12
Q

High blood pressure happens when ventricles are ____________.

A

Contracting.

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13
Q

Diagnosed high blood pressure is called _______.

A

Hypretension.

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14
Q

The Thymus Gland produces what 2 cells?

A

T-Cells & B-Cells

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15
Q

Helper T Cells are responsible for…

A

sending signals to the B cells to multiply.
activating killer T cells.

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16
Q

What are B cells?

A

Y shaped proteins specific to each pathogen antibodes will clump pathogens together.

17
Q

When is the “Lubb” sound made?

A

The “Lubb” sound is made from AV valves slamming shut!

18
Q

When is the “Dubb” sound made?

A

The “Dubb” sound is made from SV valves slamming shut!

19
Q

What is the role of Plasma?

A

There are several types of plasma proteins that help maintain homeostasis.

19
Q

What are the 4 components of blood?

A

Plasma, Erythrocytes (RBC), Leukocytes (WBC), Platelets (Thrombocytes).

20
Q

What is the function of Albumins?

A

Albumins draw water back into the capillaries which helps maintain fluid levels within the body.

21
Q

What is the function of Globulins?

A

Provides protection against microbes.

22
Q

What is the function of Fibrinogen?

A

Blood clotting.

23
Q

What is the main role of Erythrocytes (Red Blood Cells)?

A

Main role is to transport O2.

24
Q

What is the main function of Leukocytes (White Blood Cells)?

A

To detect and destroy invading pathogens that enter our bodies.

25
Q

What do Platelets do?

A

When platelets encounter a damaged blood vessel they release thromboplastin, beginning thr process of clotting our blood.

In short, this stops the bleeding.

26
Q

Type O is a Universal ___________.

A

Donor

27
Q

Type AB is a Universal _____________.

A

Recipient

28
Q

Who can Universal Donors (Type O) Donate To?

A

Everyone!

29
Q

Who can Universal Recipiants (Type AB) recieve blood from?

A

Everyone!

30
Q

Is Osmosis active or inactive?

A

Inactive.

31
Q

Is Phagoaitosis active or inactive?

A

Active.

32
Q

A for artery and ___________.

A

Away!

Biology 20 (1 decks)

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