Human body systems 2 review Miss Loss

This system is composed of the heart, blood and blood vessels.

If a person's blood lacked platelets what process could NOT occur?

A protein that contains iron and chemically binds to oxygen molecules in the

Blood vessels that carry blood away from the heart

Which substance is removed from the blood in the kidneys and excreted in urine?

How does the skin protect the body from disease?

What is the chemical that comes from the breakdown of protein and must be eliminated?

These are finger like projections that increase surface area of the small intestine

When you breathe, your lungs take in oxygen and remove _______________

Cells that line the trachea have ___, which sweep mucus up to the pharynx.

A protein that speeds up chemical reactions in the body. Or breaks down food particles into smaller pieces.

In which structure is blood filtered within the kidney?

The flap of tissue that prevents blood from flowing backward.

The upper chamber of the heart that receives blood.

Urine flows through the __________ and out of the body

Nephrons are located within the _______, which are two major organs of the excretory system

This is a mucus lined canal through which food passes on its way from the mouth to the stomach.

In the presence of sunlight, skin cells produce ________, which helps the digestive system absorb calcium.

The lower chambers of the heart.

Tiny vessels where substances (like oxygen) are exchanged between the blood and the body cells.

The role of the respiratory system is to bring what substance into the body?

The body's largest artery.

A hollow muscular organ that pumps blood throughout the body.

Air is exchanges between blood and air in tiny sacs of the lungs known as ____________.

Which component of the blood carries oxygen to the body cells?

The nervous system sends electrical impulses. The endocrine system uses _______

The main excretory organs of the body are kidney, lungs, and __________

The middle layer of the skin, under the epidermis, is called

The __________ makes urea and breaks down old red blood cells. This organ also produces bile.

The movement of nutrients from the digestive system into the bloodstream