Tag: busy at work - our internal organs

The pH of human's slightly basic blood is normally around _________.

Consider the following statements:
$1$. Lymph transports oxygen to brain.
$2$. Lymph returns the intestinal fluid to the blood.
$3$. Lymph is modified blood that contains all except RBCs and certain proteins.
Which of the statement(s) given is/are correct?

Number of chambers found in the heart of whale is _____.

Consider the following statements: 
1. A major part of CO$ _2$ transport occurs in blood in the form of bicarbonate.
2. O$ _2$ transport occurs via haemoglobin of RBC in the body.
3. Carbon monoxide combines with haemoglobin to form carboxyhaemoglobin.
4. Pneumoconiosis affects the workers who work mainly in coal mining industry.
Which of the statements given above are correct?

In a healthy person, rate of heart beat in one minute is  _________.

Which chamber of the human heart pumps fully oxygenated blood to the aorta and hence to the body?

If the radius of the blood vessel decreases, the blood pressure will ________.

Consider the following statements.
1. Heart is three-chambered in fishes.
2. Heart is four-chambered in birds.
3. All animals of class Amphibia are characterized by two pairs of limbs.
4. All reptiles respire by lungs only.
Which of the above statements given are correct?

Which blood group is a universal recipient?

What is the name of the vessel that delivers the nutrient rich blood from the stomach and small intestine to the liver?