Describe the structures and functions of the trachea, lumen and tracheal cartilages. Respiratory System: The respiratory system of vertebrates facilitates the exchange of oxygen and carbon dioxide between the body and the external environment. It also prevents the entry of harmful pa...
Describe the structure of tRNA and explain how that structure is related to its function. Nucleic acids: Nucleic acids are mildly acidic due to the presence of the phosphate group on their nucleotide monomers. The name nucleic acid was derived from the fact that these b...
How are the cardiovascular and lymphatic systems linked? How is the circulatory system of birds characterized? Explain how the structure and function are linked together for the following organs of the digestive system: 1) Mouth 2) Oesophagus 3) Stomach 4) Small intestine 5) Large in...
Describe two interactions between the digestive system and the circulatory system? Digestive system: The digestive system is the system of organs that function together to break down and digest various components of food. The digestion involves both physical and chemical digestion of food...