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Biology > Chapter 45 > Flashcards

Chapter 45 Flashcards

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AP® Biology flashcards Biology 101 flashcards
1
Q

What are the 4 types of tissues in the human body?

A

Muscle
Nervous
Epithelial
Connective

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2
Q

What is muscle tissue used for?

A

Contractions.

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3
Q

What are nervous tissues used for?

A

For information transfer.

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4
Q

What are epithelial tissues used for?

A

For protection.

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5
Q

What are connective tissues used for?

A

For support of bodily structures.

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6
Q

What are the three types of muscle tissue?

A

Skeletal muscle
Smooth muscle
Cardiac muscle

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7
Q

What are skeletal muscles used for?

A

Surrounds the skeleton and is responsible for voluntary movements.

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8
Q

What are smooth muscles used for?

A

Responsible for involuntary movements.

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9
Q

What is the purpose of joints?

A

Endure pressure and movement.
Cartilage protects bones.
Ligaments stabilize the bones in place.

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10
Q

What is synovial fluid?

A

A fluid that lubricates the joint and is secreted by tissues exposed to pressure.

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11
Q

What are 2 diseases that affect the joints?

A

Osteoarthritis and Rheumatoid arthritis.

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12
Q

What are osteocytes?

A

Bone cells.

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13
Q

What can ensure recovery of bone injuries?

A

Maintained circulation and survival of the periosteum.

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14
Q

What is the function of the pericardium?

A

A membrane that surrounds the heart, secretes a fluid to reduce friction.

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15
Q

What prevents blood from mixing?

A

Septum

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16
Q

What prevents back flow of blood?

A

Valves

17
Q

______ valves separates blood atrium from the ventricle.

A

Atrioventricular valves. AV

18
Q

_______ valve prevents deoxygenated blood from going back into the ventricle.

A

Pulmonary semi-lunar.

19
Q

________ prevents oxygenated blood from going back into the ventricle.

A

Aortic semi-lunar valve.

20
Q

What is the function of coronary arteries?

A

To supply the heart with oxygen, nutrients and remove wastes.

21
Q

What is the anatomy of the respiratory system?

A

Trachea ~~> bronchi ~~> bronchioles ~~> Alveoli

22
Q

Where does gas exchange happen?

A

The alveoli

23
Q

How do red blood cells carry oxygen?

A

Haemoglobin

24
Q

What is a heartbeat

A

Systole (Ventricular contraction) and Diastole (ventricular relaxation)

Biology (11 decks)

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