Frog Dissection Vocabulary Flashcards
(27 cards)
What is anatomy?
The internal and external body parts that make up an organism.
What is the appendix?
A finger-like projection at the beginning of the large intestine.
Humans have an appendix, but do frogs have an appendix?
No, frogs do not.
What does the appendix store?
Useful bacteria in the digestive system.
Is the appendix a vital organ?
No, it is not a vital organ and is often removed if it becomes infected.
What is the diaphragm?
A muscle that separates the upper and lower chest cavity in mammals.
What happens when the diaphragm expands and contracts?
It pulls and pushes air in and out of the lungs.
Since frogs do not have a diaphragm, what do they do instead?
Fill their throat pouch with air, then use their throat muscles to push air into their lungs.
What does dissect mean?
A process by which an organism is methodically cut up to study its internal anatomy.
What does fertilize mean?
To combine a male sex cell (sperm) with a female sex cell (egg) to produce a fertilized cell. The fertilized cell will develop into a new organism.
What is the heart?
An organ that pumps blood through the circulatory system.
What kind of chambered heart and how many atria and ventricles does a human have?
Humans have a four-chambered heart with two atria and two ventricles.
What kind of chambered heart and how many atria and ventricles does a frog have?
Frogs have a three-chambered heart with two atria and only one ventricle.
What is the large intestine?
A long, tube-like organ in the digestive system between the small intestine and the rectum (in humans) or cloaca (in frogs).
What is the large intestine responsible for?
The large intestine is responsible for liquid reabsorption during digestion.
What are the lungs?
Two spongy, air-filled organs in the chest, where oxygen enters and carbon dioxide exits the bloodstream.
What are the lymph vessels?
A network of tubes that carry lymphatic fluid and white blood cells throughout the body.
What are the lymph vessels part of?
The immune system.
What is the ovary?
A female reproductive organ that produces egg cells.
What is the oviduct?
An organ in the female reproductive system that stores eggs after they exit the ovary and pass through the oviduct.
What is the rectum?
The last section of the large intestine in humans and other mammals.
What happens in the rectum?
Solid wastes are compacted and stored in the rectum before being eliminated through the anus.
What happened in the sternum?
A thick bone in at the front of the chest cavity in frogs and humans.
What is the testis?
A male reproductive organ that produces sperm.
