Lab 11: Phylum Mammalian

Question 1

Atria

Answer 1

the two upper chambers referred to as right atrium and left atrium; they RECEIVE blood (steps 1 and 2)

Question 2

What are the three functions of the artria?

Answer 2

-receive blood
-RA receives deoxygenated blood from the body
-LA received oxygenated blood from the lungs

Question 3

Ventricles

Answer 3

the two lower chambers referred to as the right ventricle and left ventricle; pump blood OUT of the heart (steps 3 and 4)

Question 4

What are the three functions of the ventricles?

Answer 4

-pump blood out of the heart
-RV pumps deoxygenated blood to the lungs
-LV pumps oxygenated blood to the body

Question 5

What do the arteries do?

Answer 5

carry blood away from the heart, most carry oxygenated blood, there is one exception

Question 6

What do the veins do?

Answer 6

carry blood towards the heart, most carry deoxygenated blood, there is one exception

Question 7

What do the capillaries do?

Answer 7

thin-walled vessels that connect arteries and veins, diffusion of gases and nutrients occurs across

Question 8

What is the basic pattern of blood flow?

Answer 8

right side of heart –> lungs –> left side of heart –> cells of body

Question 9

What is the overall purpose of the respiratory system?

Answer 9

-exchange oxygen in the atmosphere with blood in the lungs
-exchange carbon dioxide in the blood in the lungs with the atmosphere

Question 10

Do mammals have a specialized gas structure?

Answer 10

Yes; they are large animals

Question 11

Where is the trachea in relation to the esophagus?

Answer 11

Ventral; in front of it

Question 12

Why can’t humans digest cellulose?

Answer 12

they lack a much larger cecum that is between small and large intestines

Question 13

What is the blood vessel that carries deoxygenated blood from the upper body to the heart?

Answer 13

Superior vena cava

Question 14

What is the chamber that receives the deoxygenated blood from head and upper limbs (receives deoxygenated blood from body)?

Answer 14

Right atrium

Question 15

What is the blood vessel that carries oxygenated blood directly to the kidney?

Answer 15

Renal artery

Question 16

What is the blood vessel that carries glucose and amino acids from the small intestine to the liver?

Answer 16

Hepatic portal vein

Question 17

What is the chamber that receives oxygenated blood from the lungs?

Answer 17

Left atrium

Question 18

What is the blood vessel that carries deoxygenated blood from the heart to the lungs?

Answer 18

Pulmonary artery

Question 19

What is the blood vessel that carries oxygenated blood to the head?

Answer 19

Carotid artery

Question 20

What is the blood vessel that carries blood from the liver to the Inferior Vena Cava?

Answer 20

Hepatic vein

Question 21

What is the blood vessel that carries deoxygenated blood from lower limbs/legs to the inferior vena cava?

Answer 21

Iliac vein

Question 22

What is the chamber that pumps deoxygenated blood from heart to the lungs?

Answer 22

Right ventricle

Question 23

What is the major artery from which all arteries branch off of in the abdominal cavity?

Answer 23

Aorta

Question 24

Where eggs are produced?

Answer 24

ovaries

Question 25

Where embryo develops?

Answer 25

uterus

Question 26

Where does sperm fertilizes the egg?

Answer 26

oviducts

Question 27

What is the birth canal?

Answer 27

vagina

Question 28

Where are sperm produced?

Answer 28

testes

Question 29

What transports sperm outside the body?

Answer 29

urethra

Question 30

What is the structure between the testis and ductus deferens where sperm mature and are stored?

Answer 30

epididymis

Question 31

What are the accessory glands that secrete into the small intestine?

Answer 31

-pancreas -liver

Question 32

Where does chemical digestion of protein begin?

Answer 32

stomach

Question 33

Into which is the product of the chemical digestion of proteins absorbed?

Answer 33

blood

Question 34

What is the product of complete chemical digestion of carbohydrates? Is this product of chemical digestion of carbohydrates absorbed into blood or lymph?

Answer 34

glucose; blood

Question 35

Which of the following does not secrete enzymes that digest carbohydrates?

Answer 35

liver

Question 36

Ammonia is converted into the nitrogenous waste of mammals, urea, in the _____?

Answer 36

liver

Question 37

Urine is formed in the ____?

Answer 37

kidney

Question 38

What transports urine from the bladder to the outside of the body?

Answer 38

the urethra

Question 39

Gas exchange between blood and air occurs in the ____?

Answer 39

alveoli

Question 40

Air enters the lungs when the air pressure in the lungs:

Answer 40

less than the air pressure outside the body

Question 41

When the diaphragm contracts the volume of air in the lungs______ and the air pressure in the lungs ______ increases, decreases

Answer 41

increases, decreases

Question 42

What is the chamber that pumps oxygenated blood to the body?

Answer 42

Left ventricle

Question 43

Where us bile stored and concentrated?

Answer 43

in the gallbladder

Question 44

What are accessory structures?

Answer 44

Organs that are not apart of the digestive tract but secrete products into tract

Question 45

Is bile an enzyme?

Answer 45

No

Question 46

What does the hepatic portal vein do?

Answer 46

After amino acids and glucose are absorbed into blood circulation, the hepatic portal vein carries amino acids and glucose directly from intestines to liver

Question 47

In what part of the body is ammonia converted to urea?

Answer 47

The liver

Question 48

Where does absorption occur?

Answer 48

In the small intestine

Question 49

What is the product of the chemical digestion of lipids?

Answer 49

fatty acids

Question 50

T or F: The function of bile is to chemically digest lipids.

Answer 50

False

Question 51

What secretes enzymes to chemically digest lipids?

Answer 51

Pancreas

Question 52

Into which is the product of the chemical digestion of lipids absorbed?

Answer 52

Blood circulation

Question 53

To which phylum do Mammals belong?

Answer 53

Chordata

Question 54

What accessory gland of the mammalian digestive system secretes enzymes into the small intestine for the chemical digestion of carbohydrates, protein, and lipids?

Answer 54

Pancreas

Question 55

Which is the process of building block molecules moving from the digestive tract into the blood or lymph circulation?

Answer 55

Absorption

Question 56

In what part of the respiratory system of mammals does gas exchange occur?

Answer 56

alveoli

Question 57

Which chamber of the heart pumps deoxygenated blood to the lungs?

Answer 57

Right ventricle

Question 58

Within which mammalian organ is urine formed?

Answer 58

kidney

Question 59

Which of the following is correct about the ductus deferens of the male reproductive system?

Answer 59

It transports sperm from scrotum to urethra.

Question 60

What is the difference between veins and arteries?

Answer 60

arteries carry blood away from the heart, while veins carry blood back to the heart

Question 61

Veins generally carry _______ blood

Answer 61

deoxygenated

Question 62

Arteries generally carry ______ blood

Answer 62

oxygenated