Life processes

Digestion starts from

• Stomach

• Small intestine

• Oesophagus

• Buccal cavity

Saliva contains the enzyme named:

• Pepsin

• Amylase

• Luciferase

What is the full form of ATP?

Teeth are covered with a thin coating of

• Dentine

• Crown

• Enamel

• Cementum

Strongest substance present in our body is

Strongest muscle in our body is

The mineral which helps in making blood red is

Rate of heart beat in humans ranges from

The digestive juice produced by stomach contains

• Hydrochloric acid

• Pepsin

• Mucus

• Trypsin

A blood vessel which carries blood back to heart is

• Artery

• Vein

• Capillary