Science Questions Flashcards

(44 cards)

1
Q

Which cells excrete pepsinogen?

A

chief cells of the stomach

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2
Q

Which organ is responsible for a majority of digestion?

A

Small intestine

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3
Q

Sensory neurons

A

Carry an afferent impulse- to the brain

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4
Q

Contraction occurs when

A

Thin actin filaments slide past thicker myosin filaments causing the sarcomere unit to shorten

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5
Q

Which nerve structure transmits impulses to other cells?

A

Axon

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6
Q

Inflammation

A

Innate immune response resulting in redness, swelling, heat, and pain.

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7
Q

The endocrine system produces what response?

A

Slow initiating, prolonged response on other body systems

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8
Q

What is the integration center between endocrine and nervous system?

A

Hypothalamus

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9
Q

Exocrine glands

A

Release chemicals to outside the body or to another surface within the body

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10
Q

Endocrine glands

A

Releases chemical substances directly into the bloodstream or tissues of the body

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11
Q

What gland has an exocrine function and aids in blood glucose regulation?

A

Pancreas

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12
Q

Epidermis

A

Outer layer of the skin made of epithelial tissue

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13
Q

Dermis

A

Middle layer of skin made of connective tissue

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14
Q

Hypodermis

A

Lowest layer of skin

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15
Q

Osteoclast

A

Bone cells that perform calcium mineral reabsorption

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16
Q

Osteoblasts

A

Synthesize bones, the secretions allow for mineralization

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17
Q

Osteocytes

A

Star shaped bone cell. Maintains structure. Senses physical stress.

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18
Q

Osteons

A

Cylindrical structures comprised of compact bone tissue that surround the haversian canal

19
Q

Yellow marrow is located in?

A

Long adult bones in the Medullary cavity

20
Q

Spongy bone

A

Fewer osteons than compact bone, where red bone is formed.

21
Q

B-cells

A

Lymphocytes that make antibodies in response to antigens.

22
Q

Helper T cells

A

Secrete interlukens that trigger the action of other cells.

23
Q

Cytotoxin T cell

A

Attacks foreign cells, activated by interlukens

24
Q

Macrophage

A

Large white blood cells that ingest foreign materials

25
Blastophil
Releases histamine
26
Median/Sagittal/Midsagittal plane
Plane that passes through the middle of the body separating the left and right
27
Parasagittal plane
A plane parallel to the Sagittal plane
28
Transverse plane
Located at midsection, separates superior and inferior sections
29
Coronal plane
Separates the anterior and posterior sections
30
Ribosomes
Facilitate protein synthesis in the rough endoplasmic reticulum
31
Emphysema
Increased residual volume due to decreased elasticity
32
Immunoglobulin
Antibody
33
Interferon
Protein secreted by leukocytes when they are infected with viruses
34
Lutenizing hormone
Controls production of testosterone
35
Gametes
Sperm
36
Proximal convoluted tube
First locations where glucose and other substances are reabsorbed into the blood
37
Glomerulus
Capillaries where blood pressure pushes water, salt, glucose, amino acids, and urea from the blood.
38
Bowmans capsule
Cup shaped structure that surrounds and collects filtrate from the glomerulus
39
Renal pelvis
center of the kidney where urine collects before moving to the ureter
40
Mendel's law of segregation
His first law of inheritance, each gamete carries only one allele for each gene
41
Amino acids
monomer of protein
42
Nucleotides
The monomer of DNA, one type of nucleic acid
43
Dependent variable
variable being measured in an experiment, effect
44
Motor neurons
Carry efferent impulse- from the brain