Our heart is held in its position by a tough membranous sac called _______

The heart is divided into _____ chambers.

The two upper chambers of the heart are called____

The two lower chambers of the heart are called ______

The walls of the heart are made up of special muscles called

________ carry blood away from the heart.

The largest artery in the body is called ___________

_________ carry blood to the heart.

The largest vein in the body is called ______

The network of tiny blood vessels that connects the arteries and veins is called ___

What is the function pericardium? __________

The left auricle is in the ________ chamber of the heart.

The left ventricle in the ______ chamber of the heart.

Mammals have ____________ types of blood circulation.

____ circulation takes blood from the heart to the lungs.

___________ circulation takes blood from the heart to various part of the body.

The pulmonary artery carries _________ blood.

The aorta carries____________ blood.

Pure blood is called ______________ blood.

Impure blood is called ______________ blood.

Exchange of gases takes place in the ___________

Impure blood returns to the heart through the _____

Another name for air sac is _____________

Two gases human being inhale and exhale are ____________ and ___________.

The __________ is the largest internal gland in the body.

______ enzyme can be found in our saliva.

The enzyme that changes starchy food into simple sugar is called ___________

______ enzyme is produced in the stomach wall.

In the stomach, protein changes to _______

The ________________ intestine is the longest part of the alimentary canal.

Our liver secretes a green liquid called _____

__________ serves as a germ killer.

At the end of digestion, starchy food changes to

The organs of food absorption are small finger-like projections called ________

The _____________ is a blind tube attached to the end of the large intestine.

A surgical operation on the appendix is called ____

The inflammation of the appendix is called ______

Digestion stops at the upper part of _____ intestine.

Absorption begins in the lower part of ______ intestine.

____ is when one does not defecate for a long time.

Another name for oesophagus is __________________.

The part of the alimentary canal where food is masticated is the_______________________.

The process by which the food we eat is turned into soluble form is called _____

The finger – like projections that absorbs food into the blood stream are called _____________.