Biology lab 4 | Biology homework help


In this lab, you gain mark diagrams that semblance the important components of the endocrine, circulatory, and respiratory plans. Using the textbook and implicit library instrument, extension in the tables.

Explore Endocrine, Circulatory, and Respiratory Systems Lab

Using the M.U.S.E. attach, retrospect the contrast notification and liveliness to adequate your noise. There are 2 cleverness to this lab on civilized whole plans.

Use the followingcited productionsheets to adequate your assignment:

Human whole plans entertain a medley of interconnectivity. This lab gain prove the parts and structures of the endocrine, circulatory (cardiovascular), and respiratory plans. The lab gain besides explore the interdependency of the whole plans.

Your lab noise gain stop of the adequated tables and akin questions.

 

Table 1 – Endocrine Plan Hormones

 

Number

Name of the Organ

FunctionHormone(s) Effected or Secreted

1

Parathyroid Glands

Parathyroid hormone

2

Thyroid Gland

Thyroxine, calcitonin

3

Pineal Gland

Melatonin

4

Hypothalamus

Produces ADH and oxytocin, regulatory hormones for the precedent pituitary.

Produces and conceals TRH, Dopamine, GHRH, Somatostatin, Gonadotropin.

5

Pituitary Gland

Anterior: Produces and conceals ACTH, TSH, GH, FSH, LH, MSH

Posterior: Secretes Oxytocin and ADH

6

Thymus

Thymosins

7

Heart

Atrial natriuretic peptide, brain natriuretic peptide

8

Stomach

Ghrelin, Gastrin, Histamine, Neuropeptide Y, Endothelin

9

Kidney

Erythropoietin, Renin, Calcitriol

10

Small Intestine

(duodenum)

 

Secretin, cholecystokinin 

11

Liver 

Insulin-approve Growth element 1 (IGF-1), Angiotensinogen, Thrombopoietin

12 

Adrenal Glands

 

Medulla: epinephrine, norepinephrine.

Cortex: glucocorticoids (cortisol), aldosterone, testosterone

 

13

Pancreas

Insulin, glucagon

14

Testes 

Androgens, testosterone 

15

Uterus 

Prolactin and Relaxin, when pregnant

16

Ovary

Estrogens, progesterone

 

 

 

Table 2 – Circulatory (Cardiovascular) Plan Functions

 

Number

Name of the Structure

Major Function

1

Carotid arteries

Delivers rank to the culmination and brain

2

Jugular veins

Carries rank from the culmination to the courage

3

Superior vena cava

Carries rank from the preferable whole end to courage

4

Pulmonary veins

Carries oxygenated rank from the lungs to the courage

5

Aorta

Delivers rank to the whole tissue

6

Pulmonary arteries

Delivers oxygen-poor rank to the lungs

7

Coronary arteries

Delivers rank to the courage muscle cells

8

Inferior vena cava

Carries rank from the inferior whole end to courage

9

Renal vein

Carries rank from the sort to the courage

10

Iliac vein

Delivers rank from the pelvic organs and abdominal deference to the courage

11

Radial vein

Carries rank from the agency to the courage

12

Renal artery

Delivers rank to the sorts

13

Iliac artery

Delivers rank to the pelvic organs and abdominal deference

14

Radial artery

Delivers rank to the agencys

15

Femoral vein

Carries rank from the thigh and interior flexure to the courage

16

Femoral artery

Delivers rank from the thigh and interior flexure

 

 

 

Table 3 – Respiratory Plan Functions

 

Number

Name of the Organ or Structure

Major Function

1

Sinuses

Cavities in skull; lightens culmination, warms and moistens air

2

Nasal hollow

Produces mucus; filters, warms and moistens air; olfcation

3

Pharynx

Passageway for air and subsistence

4

Epiglottis

Covers larynx during swallowing

5

Larynx

Air passageway; prevents subsistence and quaff from entering inferior respiratory plan, profits voice

6

Lungs

Contains alveoli and air passageways, avows modify of oxygen and carbon dioxide between sky and rank

7

Trachea

Connects larynx delay bronchi accidental to lungs, guides air to and from bronchi

8

Bronchi

Two branches of trachea that guide air from trachea to lungs

9

Bronchioles

Narrow passageways to guide air from bronchi to alveoli 

10

Alveoli

Microscopic chambers for gas modify 

11

Intercostal muscles

Move ribs during breathing

12

Diaphragm

Muscle shuffle between chest and abdominal cavities delay a role in breathing

End of Activity

References:

Audesirk, T., Audesirk, G., & Byers, B. E. (2008). Biology delay physiology: Life on world. (8th ed.). Preferable Saddle River, NJ: Pearson Prentice Hall.

Marieb, E. N. (2011). Essentials of civilized dissection and physiology. (10th ed.). San Francisco, CA: Benjamin Cummings

Tortora, G. J., & Derrickson, B. H. (2008). Principles of dissection and physiology. (12th ed.). Hoboken, NJ: John Wiley & Sons.

 

 

 

LAB PART 2!!!!

Endocrine System

The endocrine plan is modescold of glands that profit chemical messengers. These messengers are called hormones. The glands embrace the pituitary gland, thyroid gland, parathyroid gland, thymus, and adrenal gland. In abstracted, the pancreas, ovaries, and testes hold endocrine tissues and conceal hormones.

Question 1: How does the insulin and glucagon conceald by the pancreas part in glucose metabolism?

Answer 1: Insulin and glucagon production concurrently to celebscold glucose razes in the rank delayin the natural dispose. When there is an honorable rank glucose raze, this stimulates beta cells in the pancreas to conceal insulin. The insulin facilitates the uptake of glucose by whole cells, and the liver gain uptake the glucose and place-of-business it as glycogen. These actions recur rank glucose razes end to natural. When there is decreased rank glucose, this stimulates the alpha cells in the pancreas to profit glucagon. The glucagon travels to the liver and facilitates the intercharge of glycogen to glucose. This glucose is released in the rankstream to recur razes end to natural.

Cardiovascular System

The cardiovascular plan is moored of the courage, rank vessels (arteries, veins, and capillaries), and rank. The courage is the interrogate that contracts to agitate the rank. The rank vessels enravishment rank throughout the whole. The rank is the watery that holds cells, nutrients, and gases.

Blood progresss through the whole in two obvious tracks: the pulmonary track and the planic track. The rank abundant in the pulmonary track is deoxygenated and it pronounces this rank to the lungs to be oxygenated again. The rank abundant in the systemic track leaves the lungs unmeasured of oxygen and progresss through the courage to be pronounceed to the whole tissues.

The followingcited ghost demonstrates the amend enjoin for the pulmonary and planic prevalence as you derive a decline of rank progress through the whole:

Pulmonary Circulation

Systemic Circulation

1.      Venules

1.      Pulmonary veins

2.      Veins

2.      Left atrium

3.      Vena cava

3.      Left ventricle

4.      Suitable atrium

4.      Aorta

5.      Suitable ventricle

5.      Arteries

6.      Pulmonary arteries

6.      Arterioles

7.      Lung

7.      Capillaries

Respiratory System

The respiratory plan functions to provide the whole delay oxygen. People absorb oxygen and evaposcold carbon dioxide. This facilitates the bestowal of oxygenated rank to all of the whole cells.

Question 2: How do the cardiovascular and respiratory plan production concurrently to pronounce rank to the whole tissues?

Answer 2: The respiratory plan parts in the modify of gases delay the without environment. Oxygen is absorbd through the nasal hollow or the perforation, and it travels to the alveoli in the lungs. There, the capillaries modify the oxygen for carbon dioxide. The oxygenated rank progresss end to the courage from the lungs. It enters the left laterality of the courage and is pronounceed to all the whole tissues via the aorta. In the capillaries of the whole tissues, oxygen is modifyd for carbon dioxide. This deoxygenated rank progresss end to the suitable laterality of the courage and then to the lung. In the capillaries that run over the alveoli, carbon dioxide is modifyd for oxygen that has of-late been absorbd. The carbon dioxide gain then be evaporated through the perforation and nasal hollow.

Exercise Activity

Exercising is an ghost that requires the actions of multiple whole organ plans. Each plan performs its restricted tasks, but they must production concurrently to avow potent whole whole parting during exercising.

In this ghost, changes in the respiratory and courage scolds in repartee to application gain be chronicled in the followingcited table:

Activity

Breathing Rate: bpm(breaths per detailed)

Pulse Rate: bpm (beats per detailed)

At rest

16 bpm

70 bpm

During exercising

30 bpm

135 bpm

Immediately following exercising

30 bpm

105 bpm

5 detaileds following exercising

25 bpm

90 bpm

Question 3: The whole experiences some pressureor such as application, dread, or tender pressure whether it be joy or mourning. There are fixed hormones approve epinephrine and norepinephrine that are profitd during these pressureful events. These hormones are profitd by the adrenal gland, and they gain entertain an goods on the courage scold and breathing scold. Explain how the hormones profitd by the adrenal could denote a role in altering the respiratory and courage scolds during application.

Answer 3: When this occurs, the hypothalamus receives signals environing the pressure repartee. The whole profits pressure hormones. Norepinephrine and Epinephrine are released into the rank from an endocrine gland unreserved as the adrenal gland. These hormones control to an extension in carbon dioxide, which controls to an extension in respiratory scold. Epinephrine besides extensions the number of couragebeats forasmuch-as norepinephrine causes rank vessels to constrict. Both of these events extension the courage scold, the validity of single courage befoulment, and the aggregate of rank progress to the muscles. These lay the whole to rebound to the pressureor that has occurred.