Anatomy Archives - Page 5 of 6

Closeup on woman brushing teeth with electric toothbrush

Teeth anatomy: Adult teeth (permanent dentition)

Medical health information about tooth anatomy and teeth physiology. Primary teeth, adult teeth photos of enamal root and gums

Teeth anatomy: Baby teeth (primary dentition)

Children's or primary teeth play an important role in digestion and reserving spaces for permanent teeth. The tooth consists of a crownroot, and is composed of different materials that aid in strengthing, preserving and maintaining its function.

Acquired immune system (B cells and T cells)

The human acquired immune system is responsible for the destruction of foreign particles once they have entered the body. Unlike the innate immune system, the acquired immune system needs to have seen a substance before in order to attack it effectively.

Human immune system

The immune system is divided into the acquired immune system and the innate immune system. While each of these plays a role in defending the body, there are major differences between the two.

Innate immune system

The body is sometimes described as constantly being 'at war'. Everywhere around us there are dangerous bacteria, viruses, parasites and toxins that can cause the human body harm. To combat this, the body uses the immune system to fight away anything that may cause damage.

Respiratory system (pulmonary system) anatomy

The respiratory system includes the nose, lungs and pipe-like organs which connect them enable breathing and removal of waste products like carbon dioxide.

Endocrine system

Endocrine system: The role of the endocrine system is to maintain the body in balance through the release of hormones directly into the bloodstream.

Cardiovascular system (heart) anatomy

Heart anatomy and physiology of the cardiovascular system, heart diseases structure function with pictures of the cardiovascular system.

Menstruation (period or menstrual cycle)

Medical anatomy health information about menstruation cycle known as female periods or menstrual cycle with the ovarian cycle. Days late or missed periods.

Urinary system (renal system)

The urinary system consists of all the organs involved in the formation and release of urine. It includes the kidneys, ureters, bladder and urethra. Urine is produced by the body to rid it of unwanted waste substances.