Anatomy and Physiology part 3 Flashcards

90-95

1
Q

Central nervous system

A

consists of the spinal cord and brain; Responsible for interpretation of sensation and mental activity

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2
Q

Three parts of the brain

A

Cerebrum: Largest part of the brain split into a right and left hemisphere

Cerebellum: Located at the bottom back of the brain

Brain stem: Connects the brain to the spinal cord

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3
Q

Four parts of the brains lobes and responsibilities

A

Named where they are found on the bones atop them

Frontal lobe: Processes motivation, agression, and mood)

Temporal lobe: Processes memories, Hearing , and smell

Parietal lobe: Processes sensory information

Occipital lobe: Processes vision

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4
Q

Cerebellum responsibilities

A

General body movements, coordination, balence, and muscle tone

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5
Q

Three parts of the brain stem and their responsibilities

A

Midbrain, Pons, and medulla oblongata; Controls vital functions like breathing, heart rate, coughing, sneezing, vomiting, and blood vessel diameter

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6
Q

Meninges

A

Brain and spinal cord connective tissue

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7
Q

Pia mater

A

Deepest layer of the meninges; contains cerebrospinal fluid to protect the brain and spinal cord

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8
Q

Arachnoid

A

Intermediate layer of the meninges that wraps loosely around the brain; protects the brain and spinal cord

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9
Q

Dura mater

A

Most superficial and strongest layer of the meninges ; thick padding that protects the brain

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10
Q

Peripheral nervous system

A

Consists of the bodies nerves; Respoonsible for acting as a communication network, relaying sensory information

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11
Q

Cranial nerves

A

Emerge from the brain, helping regulate the functions of the face and head

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12
Q

Spinal nerves

A

Emerge from the spine known as plexus, responsible for controlling skeletal muscles

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13
Q

12 pairs of cranial nerves

A

-Olfactory
-Optic
-Oculomotor
-Trochlear
-Trigeminal
-Abducens
-Facial
-Vestibulocochlear
-Glossopharyngeal
-Vagus
-Accessory
-Hypoglossal

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14
Q

pairs of spinal nerves

A

31 pairs and Three plexi

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15
Q

Cervical (C1-C4)

A

Primary nerve: phrenic nerve, responsible for stimulating the diaphram

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16
Q

Brachial (C5-T1)

A

Primary nerves: Radial, Musculocutaneous, Axillary, Median, Ulnar responsible for controlling the muscles of the upper limbs

17
Q

Lumbosacral (T12-L5)

A

Primary nerves: Sciatic, Femoral, Obturator, Tibial, Common peroneal, Deep peroneal, Superficial peroneal responsible for controlling muscles of the lower limbs

18
Q

Automatic nervous system

A

Regulates homeostasis in the body
Sympathetic and Parasympathetic respose

19
Q

Sympathetic response

A

Fight or flight response releasing norepinephrine that raises the heart rate and blood sugar

20
Q

Parasympathetic response

A

Rest and digest response triggers peristalisis and decreases heart rate and blood flow; controlled by the vagus nerve

21
Q

Reproductive system

A

Responsible for reproduction/ Creation of offspring

22
Q

Major structures male reproductive system

A

Penis, testes, scrotum, and sperm ducts

23
Q

Produced by testes

A

Tosterone and Spermatozoa

24
Q

Epididymis

A

Tube located atop testies that store sperm

25
Q

Vas deferens

A

tube that connects epididymis to the urethra

26
Q

Major female structures reproductive system

A

Vagina, overies, Fallopian tubes, uterus, and cervix

27
Q

Ovaries production

A

production of oocytes, estrogen, proestrogen

28
Q

Vagina

A

Passageway located between the cervix and the opening to the outside of the body

29
Q

Fallopian tubes

A

Passage of oocytes from the ovaries to the uterus

30
Q

Uterus

A

Responsible for developmetnt of a fetus

31
Q

Cervix

A

Passage that connects vagina to uterus

32
Q

Major structer and function of respiratory system

A

Lungs; to bring oxygen into the body and eliminate waste like carbon dioxide

33
Q

Conduction of air and is filtered and warmed by hair and mucous

34
Q

Air passes through to produce sound

35
Q

Blocks food from entering the elarynx; Prevents choking

A

Epiglottis

36
Q

Primary passage for air to enter the lungs

37
Q

Air enters the lungs through/ secrete mucuse to prevent debris entering the lungs

A

Bronchial tubes

38
Q

Where gas exchange takes place in the bronchioles

39
Q

Brings air in and out of the lungs when contractions take place