Pig Dissection Practicum

Question 1

Gestation Period

Answer 1

The time between conception and birth (pregnancy)

Question 2

What is another name for the chest region of the pig?

Answer 2

Thoracic

Question 3

What is another name for the “belly” region of the pig?

Answer 3

Abdominal

Question 4

Tongue

Answer 4

Manipulates and senses food. It also helps with grooming.

Question 5

Soft Palate

Answer 5

Helps create vacuum in the mouth to keep food from entering the nasal cavity and with mechanical digestion.

Question 6

Hard Palate

Answer 6

Suckling, mechanical digestion, and making noises (speech).

Question 7

Glottis

Answer 7

Serves as the entryway to the larynx

Question 8

Epiglottis

Answer 8

Prevents food and liquid from entering the trachea during swallowing.

Question 9

Stomach

Answer 9

Break food into smaller particles

Question 10

Large Intestine

Answer 10

Absorbs water and forms waste (releases it to the rectal cavity)

Question 11

Small Intestine

Answer 11

Absorbs essential nutrients and water

Question 12

Liver

Answer 12

Filters toxins in the blood, protein synthesis, makes bile for digestion, helps balance chemicals in the body

Question 13

Pancreas

Answer 13

produces insulin and glucagon to regulate blood sugar levels and digestive enzymes

Question 14

Gallbladder

Answer 14

collect and store bile

Question 15

Spleen

Answer 15

produces antibodies and white blood cells as well as removing old or damaged red blood cells

Question 16

Esophagus

Answer 16

Transports food from the mouth to stomach

Question 17

Thymus Gland

Answer 17

matures T lymphocytes (white blood cell)

Question 18

Pericardium

Answer 18

sac-like membrane that protects the heart, prevents overfilling (keeps the heart from expanding too much), helps the heart beat without friction against surrounding tissues, and keeps the heart in place

Question 19

Aorta

Answer 19

Main artery that transports oxygen-rich blood from the heart to the rest of the body

Question 20

Pericardium

Answer 20

sac-like membrane that protects the heart, prevents overfilling (keeps the heart from expanding too much), helps the heart beat without friction against surrounding tissues, and keeps the heart in place

Question 21

R/L atrium

Answer 21

Right atrium receives deoxygenated blood from body and the left atrium receives oxygenated blood from lungs

Question 22

Artery

Answer 22

transports oxygen-rich blood from heart to the rest body

Question 23

R/L Ventricle

Answer 23

Right ventricle pumps deoxygenated blood to lungs, left ventricle pumps oxygenated blood to body

Question 24

Vein

Answer 24

Carries blood back to the heart.

Question 25

Septum

Answer 25

It separates the right and left chambers of the heart.

Question 26

Umbilical artery/vein:

Answer 26

The umbilical vein carries oxygenated, nutrient containing blood from the placenta to the baby.

Question 27

Trachea

Answer 27

Allow the passage of air into and out of the lungs.

Question 28

Diaphragm

Answer 28

When organisms inhale, or breathe in, the diaphragm contracts and flattens and the chest cavity gets larger. This creates a vacuum, which pulls air into the lungs.

Question 29

Larynx

Answer 29

Allows for breathing, swallowing, and the ability to speak.

Question 30

Lungs

Answer 30

To intake oxygen from the air and release carbon dioxide.

Question 31

What is the difference between the left and right lung?

Answer 31

The right lung is larger and has three lobes, while the left lobe is smaller with two lobes.

Question 32

Bronchi

Answer 32

Passageways that carry air to and from the lungs.

Question 33

Kidney

Answer 33

Removes waste and excess fluids from the body.

Question 34

Ureter

Answer 34

Transport urine from the kidney to the bladder.

Question 35

Urethra

Answer 35

Allows urine to pass through the body

Question 36

Urinary Bladder

Answer 36

Hollow organ that stores urine until it is ready to be deposited as waste.

Question 37

Testes

Answer 37

sperm production and maturation

Question 38

Scrotum

Answer 38

regulate the temperature of and protect the testes

Question 39

Epididymis

Answer 39

where sperm is stored and matures

Question 40

Ovary

Answer 40

Produces eggs and hormones like estrogen in females.

Question 41

Uterus

Answer 41

Organ where a fertilized egg can grow into a baby

Question 42

Vagina

Answer 42

Connects the uterus to the outside of the body; where menstrual blood exits and where a baby comes out during birth

Question 43

Oviduct

Answer 43

A tube that carries eggs from the ovary to the uterus; fertilization usually happens here.

Question 44

Cerebellum

Answer 44

Underneath the cerebellum, controls balance, coordination, and movement.

Question 45

Cerebrum

Answer 45

The largest part of the brain; controls thinking, memory, speech, etc.

Question 46

Spinal Cord

Answer 46

A long bundle of nerves that runs down the back inside the spine, carrying messages between the brain and the rest of the body.