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Volgvan
1 year ago
11

The process that is involved when a sensory system first detects an external stimulus is?

Biology
1 answer:
MrRissso [65]1 year ago
5 0

Sensation

<h3>How does sensory transduction work?</h3>

Action potentials, or electrical impulses, are nearly entirely how the brain functions. (This is not the complete picture; there are more chemical components, but for the sake of this response, we will disregard them.) How to turn an universe of non-electrical inputs into a signal that the brain can understand is the issue at hand. Therefore, we have transducers—things or structures that can convert various forms of energy into electrical impulses that our brains and, incidentally, electronics can use.

On their cell membranes, sensory cells express a variety of chemicals. These structures serve a range of purposes, including supporting tissue integrity, acting as receptor sites, and carrying out signaling processes. The majority of these receptors react to chemical stimuli, such as those that adrenaline binds to in the heart, those that muscles express in the form of insulin and glucagon receptors, and so on. Some of these structures will, however, react to outside forces.

To learn more about sensation, visit:

brainly.com/question/28321839

#SPJ4

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The cells of organisms found in the phylum porifera (sponges) are not organized into tissues. What structures are absent in orga
Shalnov [3]

Members of phylum Porifera are commonly known as spongs. They are generally marine and mostly asymmetrical animals. These are primitive multicellular animals and have cellular level of organization (lacks tissues). These Organisms (belonging to phylum Porifera) lacks most of the structures that are present in multicellular organisms like digestive system, respiratory system, Brain etc

Body of Spongs are made up of spicules or spongin fibers and these organism contain a water canal system which helps them in digestion, reproduction and catching their food in marine habitat.

3 0
3 years ago
What do you think would happen if a genetic mutation caused a person's digestive tract to have stratified columnar epithelium in
Eddi Din [679]

Answer:

Absorption and secretion would be impossible within the digestive tract.

Explanation:

Epithelium is one of the tissues found in humans. It is classified as either simple or stratified depending on the number of cell layers. Simple epithelial tissues have one layer of cells while stratified have many layers of cells. Based on the shape, epithelial tissues can either be squamous, columnar or cuboidal.

Due to the single-layer of the simple epithelial tissues, they line the walls of secretory or absorptive organs e.g organs of digestive tract. The stratified epithelium is majorly for protective function due to the number of cell layers it possess and not a good type of epithelium for locations where absorption and secretion of substances is common e.g digestive tract.

Hence, if a genetic mutation causes a person's digestive tract to have stratified columnar epithelium instead of simple columnar epithelium, ABSORPTION AND SECRETION of chemical substances, which is a key feature of organs (stomach, intestine) that make up digestive tracts, will be impossible.

8 0
3 years ago
How is melting water turning it from the ice to liquid water an example of a physical property
Ivan

Answer:

A. Melting the substance doses not change the substance

Explanation:

7 0
2 years ago
Please help me'
bija089 [108]
Controlled burning? I think that's right.
7 0
3 years ago
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The phenotypic ratio would be 1:1 because there would be 1 black to every 1 white
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