Pharmaguideline

Electrocardiogram Electrocardiograms (ECGs) are a simple way of checking the electrical activity and rhythm of the heart. Each time your hea...

Regulation of blood pressure To regulate systemic blood pressure, two mechanisms are needed: intrinsic mechanisms and nervous mechanisms. In...

Heart regulation by the autonomic nervous system Sinoatrial Node (SAN) - the pulse generator of the heart muscle - is responsible for estab...

Elements of the conduction system of the heart Hearts are characterized by an autorhythmic ability, in which they generate electricity and b...

Artery Structure During a heartbeat, blood travels from the heart to capillaries via arterioles, which are smaller arteries. Arteries are di...

Blood circulation Blood circulates continuously around the body, but its efficient description can be divided into two parts: 1. Pulmonary c...

A heart is a hollow muscular organ roughly shaped like a cone. It measures about 10 centimeters in length, about the size of someone's f...

Structure and function of the tongue Structure There is a muscular organ inside the mouth called the tongue. The mucosa is the pink, moist t...

Structure of an eye Light rays penetrating your eye are focused on the retina's receptors by an ocular refracting system. Eyelids and la...

Spinal nerves Nerves in the spinal cord send signals to the muscles, bones, and internal organs of the body via peripheral nerves. There are...

The autonomic nervous system (ANS) provides motor functions for some cranial and spinal nerves, which makes it part of the peripheral nervou...

The peripheral nervous system consists of the following components: The spine has 31 pairs of nerves, the cranium has 12 pairs of nerves, an...

Lymph Despite its different composition from plasma, lymphoid fluid is a clear, watery fluid with comparable characteristics to interstitial...