During inspiration, the diaphragm :

• expands

• shows no change

• contracts and flattens

• relaxes to become dome-saped

The leucocytes contain which of the following in large quantity ?

• basophils

• neutrophils

• eosinophils

• monocytes

Cardiac output is determined by:

• heart rate

• stroke volume

• blood flow

• both 'a' and 'b'

The important function of lymph is to :

• transport oxygen to the brain

• transport carbon dioxide to the lungs

• return RBCs to the lymph nodes

• return interstitial fluid to the blood

Carotene pigment is found in the cells of

• dermis

• epidermis

• adipose cell

• both 'b' and 'c

Which part of our body secreted the hormone secretin?

• ileum

• stomach

• duodenum

• oesophagus

The lining of intestine and kidneys in humans is :

• keratinized

• brush border

• ciliated

• none of these

The oxygen toxicity is related with:

• blood poisoning

• collapse of alveolar walls

• failure of ventilation of lungs

• both 'a' and 'b'

Achilles tendon is associated with :

• gluteus muscle

• hamstring muscle

• quadriceps muscle

• gastrocnemius muscle

Debove's membrane is a layer of :

• muscular tissue

• epithelial tissue

• connective tissue

• all of the above