Respiration and Circulation
Biology Solutions from Chapter -1 - Respiration and Circulation
This topic highlights the production of lac and also explains the use of it in bangles, toys, woodwork, polish, inks and silvering mirrors. It also consists of a picture that highlights the life cycle of lac insect.
Practice Other Topics from Respiration and Circulation
This topic covers the concept of human circulatory system.

This topic covers concepts such as erythropoiesis, leukemia, leucopoiesis, thrombopoiesis and blood.

This topic covers concepts such as walls of a heart, internal structure of heart, conducting system of heart and human heart.

This topic covers concepts such as artery, blood capillaries and veins.

This topic covers concepts such as pulmonary circulation, coronary circulation and systemic circulation.

This topic covers concepts such as blood pressure, tachycardia, rhythmicity of heart beat, cardiac output and heart beat.

This topic covers concepts such as disorders of circulatory system, high blood pressure, angina pectoris and heart failure.

This topic covers concepts such as p-wave in electrocardiograph, QRS complex of electrocardiograph and electrocardiogram.

This topic covers concepts such as lymph nodes and lymphatic system.
