Describe the location & Function of brainstem respiratory system
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Location:
1. the medullary respiratory center in the medulla oblongata
2. pontine respiratory group in the pons
Function:relax in the absence of nerve impulses.
Describe the major events of embryonic and fetal development.
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, The embryonic stage lasts from implantation (2 weeks) until the 8th week of
pregnancy. During this stage, rapid growth occurs and organ systems
develop. The fetal stage lasts from week 9 until the child's birth (usually
between 38 and 40 weeks).
the steps involved in phagocyte mobilization
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as part of the innate response phagocytes must be mobilized. there are 4
steps to mobilize phagocytes
1. leukocytosis- nuetrophils enter the blood from bone marrow
2. margination- neutrophils cling to capillary wall
3. diapedesis- neutrophils flatten and sqeeze out of capillaries.
4. chemotaxis- neutrophils follow chemical trail
Describe the anatomical location of the kidneys.
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The kidneys lie retroperitoneally (behind the peritoneum) in the abdomen,
either side of the vertebral column. They typically extend from T12 to L3,
although the right kidney is often situated slightly lower due to the
presence of the liver. Each kidney is approximately three vertebrae in
length.
identify the hard and soft palates
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, Hard palates: palatine bones and palatine processes
-- forms rigid surface which the tongue forces food against during
chewing.
Soft palate: mostly skeletal muscle
-- closes of the nasopharynx when we swallow
-- the uvula hangs off the back of soft palate
What are the three layers of connective tissue the kidney is protected by?
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1. renal fascia:
• fibrous, deep to parietal peritoneum
• binds the kidney and its organs to the abdominal wall
• The fascia is fused with the peritoneum anteriorly and with the fascia of
the lumbar muscles posteriorly
2. perirenal fat capsule:
• adipose tissue
• cushions the kidney and holds it in place.
3. fibrous capsule: • encloses the kidney like a cellophane wrapper,
anchored at the hilum
• and protects the kidney from trauma and infection
• collagen fibers extend from the fibrous capsule, through the fat, to the
renal fascia and suspend kidney.
List the structures involved in the process of deglutition
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, deglutition, is a complex reflex mechanism by which food is pushed from
the oral cavity into the esophagus and then pushed to the stomach. This
movement of food from the oral cavity on to the esophagus and stomach
by pushing is called propulsion, and it is an important part of the digestive
process.
The structures involved in deglutition include the tongue, hard and soft
palate, pharyngeal muscles, esophagus, and gastroesophageal junction.
Contrast the process and the final products of spermatogenesis and oogenesis.
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Spermatogenesis and oogenesis are the processes of formation of male
and female gametes. Spermatogenesis leads to the formation of sperms,
whereas oogenesis helps in the formation of ova. The fertilization of sperm
and ova leads to the formation of a zygote which further develops into an
embryo.
What are the characteristics of erythrocytes?
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being red, round, and like rubber give them the ability to complete their
specific functions. They carry oxygen from the lungs to the body, and bring
carbon dioxide back to the lungs to be expelled
Where do B cells become immunocompetent?
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Location:
1. the medullary respiratory center in the medulla oblongata
2. pontine respiratory group in the pons
Function:relax in the absence of nerve impulses.
Describe the major events of embryonic and fetal development.
Give this one a try later!
, The embryonic stage lasts from implantation (2 weeks) until the 8th week of
pregnancy. During this stage, rapid growth occurs and organ systems
develop. The fetal stage lasts from week 9 until the child's birth (usually
between 38 and 40 weeks).
the steps involved in phagocyte mobilization
Give this one a try later!
as part of the innate response phagocytes must be mobilized. there are 4
steps to mobilize phagocytes
1. leukocytosis- nuetrophils enter the blood from bone marrow
2. margination- neutrophils cling to capillary wall
3. diapedesis- neutrophils flatten and sqeeze out of capillaries.
4. chemotaxis- neutrophils follow chemical trail
Describe the anatomical location of the kidneys.
Give this one a try later!
The kidneys lie retroperitoneally (behind the peritoneum) in the abdomen,
either side of the vertebral column. They typically extend from T12 to L3,
although the right kidney is often situated slightly lower due to the
presence of the liver. Each kidney is approximately three vertebrae in
length.
identify the hard and soft palates
Give this one a try later!
, Hard palates: palatine bones and palatine processes
-- forms rigid surface which the tongue forces food against during
chewing.
Soft palate: mostly skeletal muscle
-- closes of the nasopharynx when we swallow
-- the uvula hangs off the back of soft palate
What are the three layers of connective tissue the kidney is protected by?
Give this one a try later!
1. renal fascia:
• fibrous, deep to parietal peritoneum
• binds the kidney and its organs to the abdominal wall
• The fascia is fused with the peritoneum anteriorly and with the fascia of
the lumbar muscles posteriorly
2. perirenal fat capsule:
• adipose tissue
• cushions the kidney and holds it in place.
3. fibrous capsule: • encloses the kidney like a cellophane wrapper,
anchored at the hilum
• and protects the kidney from trauma and infection
• collagen fibers extend from the fibrous capsule, through the fat, to the
renal fascia and suspend kidney.
List the structures involved in the process of deglutition
Give this one a try later!
, deglutition, is a complex reflex mechanism by which food is pushed from
the oral cavity into the esophagus and then pushed to the stomach. This
movement of food from the oral cavity on to the esophagus and stomach
by pushing is called propulsion, and it is an important part of the digestive
process.
The structures involved in deglutition include the tongue, hard and soft
palate, pharyngeal muscles, esophagus, and gastroesophageal junction.
Contrast the process and the final products of spermatogenesis and oogenesis.
Give this one a try later!
Spermatogenesis and oogenesis are the processes of formation of male
and female gametes. Spermatogenesis leads to the formation of sperms,
whereas oogenesis helps in the formation of ova. The fertilization of sperm
and ova leads to the formation of a zygote which further develops into an
embryo.
What are the characteristics of erythrocytes?
Give this one a try later!
being red, round, and like rubber give them the ability to complete their
specific functions. They carry oxygen from the lungs to the body, and bring
carbon dioxide back to the lungs to be expelled
Where do B cells become immunocompetent?
Give this one a try later!