Respiration is performed by the intestines in
Tortoise
Toad Pipa
Toad Xenopus
Bony fish Misgurnus
When 1500 ml air is in the lungs, it is called
Vital capacity
Tidal volume
Residual volume
Inspiratory reserve volume
The rate of breathing in mammals is controlled by a part of the brain called
Thalamus
Cerebellum
Hypothalamus
Medulla oblongata
Anaerobic respiration in animals, produces
Glucose and oxygen
Water and carbon dioxide
Lactic acid and water
Carbon and carbon dioxide
The alveolar epithelium in the lung is
non-ciliated columnar
non-ciliated squamous
ciliated columnar
ciliated squamous
The exchange of gases in the alveoli of the lungs takes place by
simple diffusion
osmosis
active transport
passive transport
Which one of the following organs in the human body is most affected due to shortage of oxygen?
Intestine
Skin
Kidney
Brain
Respiratory pigment or oxygen carrier in frog’s blood is
Haemazoin
Hemoglobin
Haemocyanin
Lymphocytes
The structure, which does not contribute to the breathing movements in mammals, is
Ribs
Larynx
Diaphragm
Intercostal muscles
What is the vital capacity of our lungs?
Inspiratiry reserve volume plus tidal volume
Total lung capacity minus expiratory reserve volume
Inspiratory reserve volume plus expiratory reserve volume
Total lung capacity minus residual volume.
