Search results for: 'A Human Karyotype Preparation Animation'

Watch Later 0:24

By: Administrator, Views: 12943

The mouth or oral cavity is formed by: - The hard and soft palates at the top or roof - the cheeks - the tongue - the lips Contains the teeth and salivary glands. The gingivae (gums) surround the necks of the teeth. The lingual frenulum is a thin fold of mucous membrane that connects...

Watch Later 0:33

Chemical Messengers Animation

By: Administrator, Views: 12956

Three types of chemical messengers.

Watch Later 0:57

Green alga life cycle Animation

By: HWC, Views: 3845

Chlamydomonas zoospores are haploid flagellated cells. As long as conditions are favorable, these cells reproduce asexually. As many as sixteen cells may form by mitosis within a parent cell. Daughter cells escape when the cell wall ruptures. When conditions become less favorable, the...

Watch Later 1:01

DNA close up Animation

By: HWC, Views: 3263

A section from a DNA double helix The backbone of each DNA strand consists of alternating deoxyribose sugars and phosphate groups. The two strands run in opposite directions. One runs from the 5' to 3' direction, the other in the 3' to 5' direction. Think of the deoxyribose units o...

Watch Later 3:31

Labor and Childbirth - The Three Stages of Labor: Dilation, Expulsion & Placental مراحل الولادة

By: HWC, Views: 9765

Regulation of labor and birth - effects of estrogen and oxytocin on onset of labor • Just prior to birth, high placental corticotropin-releasing hormone levels stimulate the production of more estrogen. • High estrogen levels overcome the inhibitory effects of progesterone on uterine sm...

Watch Later 1:52

Virtual Tour of the Heart

By: Administrator, Views: 12100

Everything you need to know about your heart

Watch Later 2:39

Olfaction. or the sense of smell

By: HWC, Views: 6817

Do you ever wonder how you can distinguish thousands of different odors? Olfaction. or the sense of smell, is used by all mammals to navigate, find food, and even find mates. We have millions of olfactory receptors for smelling in our nose. These receptor neurons bind water-soluble or volatil...

Watch Later 0:51

Neuron Type Animation

By: Administrator, Views: 12365

Interneurons: - Are called central or associative neurons. - Located entirely within the central nervous system. - They function to mediate impulses between sensory and motor neurons.

Watch Later 0:51

Inflammatory response Animation

By: HWC, Views: 5864

Any tissue damage or bacterial invasion can bring about inflammation. The inflammatory response can be triggered by an invasion of bacteria, or by a cut or other physical damage to cells. Chemicals, such as histamine, released by the bacteria or damaged cells. accumulate in the tissue. Thes...

Search Results