Bio 20- Dissections *FINAL*

Question 1

List the structures studied in the earthworm. (6)

Answer 1

• pharynx
• aortic arch
• esophagus
• crop
• gizzard
• nephridia

Question 2

List the structures studied in the frog. (9)

Answer 2

• liver
• small intestine
• heart
• lung
• esophagus
• stomach
• kidney
• urinary bladder
• cloaca

Question 3

Describe the functions of a pharynx.

Answer 3

connects the nose and mouth to the respiratory and digestive tracts.

Question 4

Describe the functions of the Aortic arch.

Answer 4

functions as a heart by contracting and forcing blood into the ventral vessel

Question 5

Describe the functions of the esophagus.

Answer 5

the passage connecting the pharynx to the stomach.

Question 6

Describe the functions of a crop.

Answer 6

a temporary storage organ in the digestive tracts

Question 7

Describe the functions of a gizzard

Answer 7

an organ in the digestive tracts responsible for the grinding of food.

Question 8

Describe the functions of the Nephridia.

Answer 8

secretes waste

Question 9

Describe the functions of a liver.

Answer 9

an organ that produces bile.

Question 10

Describe the functions of the small intestine.

Answer 10

Digests carbs and fats and completes the digestion of proteins and other nutrients.

Question 11

Describe the functions of the heart.

Answer 11

pumps blood

Question 12

Describe the functions of the lung.

Answer 12

respiratory organ used for the intake of oxygen and expelling CO2.

Question 13

Describe the functions of a stomach.

Answer 13

a muscular sac responsible for mechanical and chemical digestion of food.

Question 14

Describe the functions of a kidney.

Answer 14

Excretory structures that remove metabolic wastes from blood and maintain water balance.

Question 15

Describe the functions of the urinary bladder.

Answer 15

Organ that collects urine excreted by the kidneys before disposal by urination.

Question 16

Describe the functions of the cloaca.

Answer 16

Stores feces until time of elimination.