The frog has three respiratory surfaces on its body that it uses to exchange gas with the surroundings: the skin, in the lungs and on the lining of the mouth. A frog may also breathe much like a human, by taking air in through their nostrils and down into their lungs.

These are the parts:

• Nose.
• Mouth.
• Throat (pharynx)
• Voice box (larynx)
• Windpipe (trachea)
• Large airways (bronchi)
• Small airways (bronchioles)
• Lungs.

Pharynx (throat): Tube that delivers air from your mouth and nose to the trachea (windpipe). Trachea: Passage connecting your throat and lungs. Bronchial tubes: Tubes at the bottom of your windpipe that connect into each lung. Lungs: Two organs that remove oxygen from the air and pass it into your blood.

The oxygen of air dissolves in the layer of mucus and then goes into blood. At the same time carbon dioxide is given out into the buccal cavity from the blood which is expelled along with residual air through the nostrils when the floor of the buccal cavity is raised.

The respiratory system includes the nose, mouth, throat, voice box, windpipe, and lungs. Air enters the respiratory system through the nose or the mouth. If it goes in the nostrils (also called nares), the air is warmed and humidified.

Respiratory Organs of frog:

• The main organs for aerial respiration are the two lungs.
• The passage through which the air enters and leaves the lungs is termed as respiratory tract.
• Respiratory tract; It consists of: External nostrils. Internal nostrils.
• Lungs: Lungs are ovoid in structure.

The frog has three respiratory surfaces on its body that it uses to exchange gas with the surroundings: the skin, in the lungs and on the lining of the mouth.

There are 3 major parts of the respiratory system: the airway, the lungs, and the muscles of respiration. The airway, which includes the nose, mouth, pharynx, larynx, trachea, bronchi, and bronchioles, carries air between the lungs and the body’s exterior.

The main organ of the respiratory system is the lungs. Other respiratory organs include the nose, the trachea and the breathing muscles (the diaphragm and the intercostal muscles).

The erythrocytes (R.B.Cs.) of frog’s blood contain a respiratory pigment, the haemoglobin to which the respiratory gases (O 2 and CO 2) can combine temporarily only in high partial pressure. In the respiratory surfaces the O 2 in the air is found in high concentration due to which it combines with haemoglobin of the blood to form oxyhaemoglobin.

Digestive System Liver Small Intestines Respiratory System Circulatory System Anatomy of a Frog Heart Functions of the Frog Heart Heart – Pumping organ of the circulatory system (has 3 chambers). Anterior Vena Cava – Large vein that carries blood from the anterior part of the body toward the heart.

The frog has three respiratory surfaces on its body that it uses to exchange gas with the surroundings: the skin, in the lungs and on the lining of the mouth. While completely submerged all of the frog’s repiration takes place through the skin. The skin is composed of thin membranous tissue that is quite permeable

Tympanic Membrane – The eardrum – receives sound waves Glottis – The opening from the mouth into the respiratory system Functions of the body parts that make up the frog’s head Tongue – Muscular structure attached to the front of the mouth which is extended to catch insects (its food).