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Yanina Cartagena
physiology
| Homeostasis | is the self-regulating process by which biological systems maintain stability while adjusting to changing conditions, essential for survival and optimal functioning. |
| Biomolecules | a chemical compound found in living organisms. They are the building blocks of life, essential for the functioning of living organisms. Biomolecules include protein, carbohydrates, lipids, enzymes, and nucleic acids. They vary in size and structure. |
| Deoxyribonucleic acid | is a molecule that contains the biological instructions that make each species unique. DNA, along with the instructions it contains, is passed from adult organisms to their offspring during reproduction. |
| What is the DNA double helix | To understand DNA's double helix from a chemical standpoint, picture the sides of the ladder as strands of alternating sugar and phosphate groups - strands that run in opposite directions. Each "rung" of the ladder is made up of two nitrogen bases, paired |
| The cell membrane | also known as the plasma membrane, is a vital structure that surrounds and protects the cell, regulating what enters and exits while facilitating communication with the external environment. |
| The fluid mosaic model | It describes the structure of the cell (plasma) membrane as a mosaic of components – proteins, phospholipids, carbohydrates, and cholesterol giving the membrane a fluid character. |
| Cellular communication | is a complex process involving various biochemical steps and many different messenger molecules between cells and organs. Cells in the human body are highly specialized, and they use various signaling mechanisms to perform different functions. |
| Endocrine organs | Examples of endocrine organs include the thyroid gland, adrenal glands, pancreas, and pituitary gland; these organs use a hematogenous spread of hormones to transmit signals to target cells far away. |
| Nervous system | The synapsis between neurons or in the neuromuscular junction is a type of paracrine signaling. A neuron releases a neurotransmitter in the synaptic cleft, and nearby cells (other neurons or muscle cells) receive signals through receptors to neurotransmi |
| The skin consists of | three layers of tissue: the epidermis, an outermost layer that contains the primary protective structure, the stratum corneum; the dermis, a fibrous layer that supports and strengthens the epidermis; and the subcutis, a subcutaneous layer of fat beneath t |
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