This page is additional information that may be given to you in class as you perform the dissection. Frog anatomy and dissection.
Frog Dissection Biology Junction
The frogs anatomy however is much simpler.
Frog anatomy. The body structure or anatomy of the frog is very similar to the anatomy of man. Frogs breathe through their skin when underwater. They also have a pair of lungs that allow them to breathe when on land.
Frogs have a closed circulatory system containing a three chambered heart with two atria and one ventricle. Our frog can be divided into the dorsal or top side and the ventral or bottom side. Functions of the internal anatomy of a frog.
Many frogs have patterned skin on their dorsal side and a white or yellow ventral side to camouflage them in their aquatic habitat. Frog dissection sounds really gross but once you get the frog opened it is really very cool. Periodically your instructor may pause to show you illustrations diagrams or videos of procedures.
Liver secretes bile and processes digested food molecules urinary bladder the organ that collects and stores urine until released. Large intestine posterior organ of the digestive system which stores undigested food. This practice is declining due to animal welfare concerns and digital frogs are now available for virtual dissection.
Anatomy of the frog. Frogs are used for dissections in high school and university anatomy classes often first being injected with coloured substances to enhance contrasts among the biological systems. When you are exploring the frog anatomy you will find things that you might recognize like the frogs heart brain lungs and intestines.
Frogs have two forelimbs in the front or anterior end and two powerful hind limbs in the rear. Handouts on the frog dissection. Inside the frog you will be able to see all of the frog anatomy for your diagram.
As in other higher vertebrates the frog body may be divided into a head a short neck and a trunk see vertebrates. Both man and the frog have the same kinds of organs and systems of organs. Oxygen in the water can pass through their porous skin and go directly to the blood.
In the lab you will be spending a few days dissecting the frog. Fat bodies masses of fat in the body cavities of frogs.
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