Why are we dissecting a rat and not a different type of animal?
Approved eye protection devices (such as goggles) are worn in the laboratory...
Long hair in the laboratory must be...
What should you do if you do not understand a direction or part of a lab procedure?
For this dissection you will be making multiple incisions. What does that mean?
You must be careful when making incisions and point the tip of your scissors downward following the letter I shape.
Determine if the following organs belong to the abdominal cavity or thoracic cavity.
Lungs
Liver
Intestines
Heart
Thoracic Cavity (2 items)
Abdominal Cavity (2 items)
When completing a dissection, the scissors should always be angled in a _____________ motion.
Which two body systems are being separated at this point?
There is not blood or urine in these preserved specimens. What is the liquid that will be inside of the rat?
What is the flap that separates the chest cavity from the abdominal cavity?
Which two organs are found in the chest cavity?
How are you going to cut the heart?
The heart of a rat consists of two chambers, and it is very similar to the heart of a human.
The liver is the dark colored organ and it is part of the digestive system.
The stomach has a pH of , and it also have a lot of digestive which help in the breaking down of food into nutrients as we consume it.
Once food has passed through the stomach it is going to pass through the next stage of the digestive system which is the .
The small intestines are connected by a plastic looking film known as the ____________.
Rats' digestive tracts are comparable to that of humans. Once a rat (or human) eats their food, in what order will the food pass through the digestive tract?
Small intestine
Stomach
Esophagus (throat)
Large intestine
Rectum
Mouth (chewing)
The final stage of the digestive system in the large intestines. This is where nutrient and oxygen are absorbed.
The two bean shaped organs are called the , and they are part of the system.