Samples "Biology"

Biology

List the 12 Cranial Nerves and their functionsThe 12 cranial nerves are: I) Olfactory, for smell; II) Optic, for seeing; III) Oculomotor, which controls eyelids and the pupil/lens within the eye; IV) Trochlear, which moves eyeballs; V) Trigeminal, which controls face and jaw muscles; VI) Abducens, which controls eyeball motion;...

1603 words

Hormones contributing to the behaviors in males and females There are some hormones in the human body which control their behavior. There are some of the hormones which are common to both males and females, and they bring about the same behavior (Brizendine 3), (Brizendine 2). Such hormones include; testosterone...

1235 words

Deoxygenated blood begins the cycle through the entire human body in the superior vena cava. From there it enters the right atrium of the heart then through the right atrioventricular valve into the right ventricle. The contraction of the right ventricle forces the blood through the pulmonary semilunar valve leading...

307 words

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1. Bones possessed by these creatures that are the same as human bones include the radius, ulna, carpals, metacarpals, and phalanges. These are the bones of the human hand and arm, responsible for giving it its structure and shape. The phalanges are the bones of the fingertips, responsible for holding...

887 words

The nervous system comprises three main functions: sensory, interpretative, and motor. It is made up of a web of cells (neurons). These specialized cells work to transmit signals and co-ordinate actions all over the body. The nervous system coordinates both involuntary and voluntary activity. The main organization of the visceral...

368 words

The two kidneys of the human body are located in a retroperitoneal location, each on one side of the spine. The left kidney sits slightly higher than the right kidney, and the left kidney sits slightly closer to the spine that the right. Kidneys can move a few centimeters, and...

328 words

Neurons are one of two types of nerve cells. Depending on their functions, there are afferent, efferent, and interneurons. Nerves are structures from neurons and neuroglia (“helper” cells) transmitting signals throughout the body. Myelin is a substance forming an electrically insulating layer. It surrounds axons of neurons. Grey matter is...

483 words

It is a widely known fact that all the animals play a crucial role in the world as they help maintain nature and its biodiversity. All the animal species have a favorable impact on the planet that is why the extinction of them may lead to serious disasters which will...

676 words

IntroductionFolic acid is a coenzyme that is essential for DNA synthesis and methylation pathways. The implication of folate fortification in wheat flour has been hugely studied. Some studies are demonstrating its positives while others are elucidating the adverse effects (Hertrampf and Cortes 2004). This paper focuses on the evidence for...

1328 words