Dissection

During the frog dissection lab, some students found these small round structures inside their frog (pictured). What do these structures tell us about this particular frog?

• These are eggs. This frog is a female.

• These are eggs. This frog is a male.

• These are bugs. This frog ate just before it died.

• These are bugs. This frog is being eaten by scavengers.

Tags

NGSS.MS-LS1-4

Identify the internal frog organ that is shown (in color) in this picture. It has 3 chambers and is a muscle responsible for pumping blood.

• Lung

• Liver

• Heart

• Stomach

Identify the internal frog organ that is shown (in color) in this picture. It is the largest internal organ in both humans and the frog.

• Lung

• Liver

• Heart

• Stomach

What are the yellow, spaghetti shaped structures that were located on both sides of the frog?

• Fat Bodies

• Large Intestines

• Lung Pockets

• Liver Muscles

Frogs have vertebrae (bones) that form a spinal column down their back. What body system is shown in this picture?

• Skeletal System

• Muscular System

• Digestive System

• Integumentary System

Tags

NGSS.MS-LS4-2

What is the largest, strongest muscle group found in the common frog?

• The Heart Muscles

• The Liver Muscles

• The Abdominal Muscles

• The Leg Muscles

Which of the following best describes the special adaptation of a frog tongue?

• It attaches at the front of the mouth so that it can flip out to catch prey.

• It attaches at the front of the mouth so that it can be used to create sounds that attract mates.

• It attaches at the back of the mouth so that it can flip out to catch prey.

• It attaches at the back of the mouth so that it can swallow its prey whole.

Why is it important to treat the frog's body with respect during a dissection lab?

• The frog was a living creature and we are using its body to learn about how it functions.

• The frog is not an important part of our ecosystem and is not needed on our planet.

• Mutilating the frog is ok and we do not need to treat the frog with respect.

• Frogs are pests that do not contribute anything positive to our world.

What safety equipment should you be wearing when participating in a dissection?

• goggles, flip-flops, apron

• gloves, goggles, apron

• gloves, goggles, hat, face mask

• gloves, apron, headphones

Which of the following instruments is primarily used for cutting skin and connective tissue and should always be pointed away from yourself and other people?

• surgical scissors

• scalpel

• anatomical forceps

• curved forceps