What are the levels of organization from smallest to largest?
What is the basic structural and functional unit of an organism?
What are 3 components of a feedback system?
Describe the following anatomical terms; superior, inferior, anterior/ventral, posterior/dorsal, medial, lateral, ipsilateral, contralateral, proximal, distal, superficial, deep, prone, supine.

Answers

Answer 1

The levels of organization from smallest to largest are as follows: Atom Molecule Macro molecule Organelle Cell Tissue Organ system Organism The basic structural and functional unit of an organism is the cell.

It is the smallest structure that can carry out all life processes. Feedback systems are mechanisms that help organisms maintain homeostasis.

They consist of three components: a receptor, a control center, and an effector.

The following anatomical terms have the following meanings:

Superior: refers to a structure being closer to the head or upper part of the body.

Inferior: refers to a structure being closer to the feet or lower part of the body.

Anterior/ventral: refers to a structure being closer to the front of the body.

Posterior/dorsal: refers to a structure being closer to the back of the body.

Medial: refers to a structure being closer to the midline of the body.

Lateral: refers to a structure being farther away from the midline of the body.

Ipsilateral: refers to a structure being on the same side of the body as another structure.

Contralateral: refers to a structure being on the opposite side of the body as another structure.

Proximal: refers to a structure being closer to the center of the body or closer to a specified point of reference.

Distal: refers to a structure being farther away from the center of the body or farther away from a specified point of reference.

Superficial: refers to a structure being closer to the surface of the body.

Deep: refers to a structure being farther away from the surface of the body.

Prone: refers to a body position in which the person is lying face down.

Supine: refers to a body position in which the person is lying face up.

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Related Questions

You and a friend were talking about the role of genes and the environment and your friend said, "DNA is destiny. The environment doesn't influence who someone becomes at all, it is all determined by genes." What can you tell your friend about the interaction of genes and environment? Include two examples discussed in class or the textbook to support your point.

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Genes and the environment both contribute to a person's characteristics. A person's characteristics are not solely determined by genes but the environment also has an impact on who someone becomes. Two examples discussed in class or the textbook that support this point are intelligence and obesity.

The development of intelligence is influenced by both genes and the environment. Studies have shown that the genetic influence on intelligence increases with age. However, the environment is also crucial in developing intelligence. Studies have also shown that children who are raised in a stimulating environment, which includes exposure to language, reading, and other educational materials, have higher intelligence scores than children who are raised in a less stimulating environment.

Obesity is another example of how genes and the environment interact. Some people are more likely to become obese due to their genes. However, the environment also plays a significant role in determining whether someone becomes obese. For example, if someone with a genetic predisposition to obesity lives in an environment with limited access to healthy food and opportunities for physical activity, they are more likely to become obese than someone with the same genetic predisposition who lives in an environment that promotes healthy eating and physical activity.

In conclusion, the interaction of genes and the environment is an essential aspect of understanding human characteristics. DNA is not destiny, and the environment plays a significant role in shaping who someone becomes.

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