The Autonomic Nervous System: Controlling Your Body From Within The Autonomic Nervous System: Controlling Your Body From Within Learning Objectives: Understand the basic structure of the autonomic nervous system (ANS). Analyze the effects of sympathetic and parasympathetic divisions on different organs. Grasp the neurotransmitters and receptors involved in the ANS. Explore the structures that regulate…
Supplementing and Detailing Biological Knowledge Supplementing and Detailing Biological Knowledge 1. Which of the following cells creates the surface of contact between the plant root and the soil? Root hair cells: These are epidermal cells of the root, elongated and thin with a thin cell wall, no chloroplasts and numerous hairs. The main function of…
Supplemental Biology Knowledge Supplemental Biology Knowledge 1. Transportation of Water and Minerals Through xylem: Water and minerals are transported from the roots to the stem, leaves, flowers, and fruits through the xylem. Key points: Xylem consists of dead cells joined end-to-end, forming hollow tubes. The transportation of water and minerals occurs through a combination of…
Subject-Verb Agreement Subject-Verb Agreement Subject-verb agreement is a fundamental grammatical rule in English that ensures sentences are grammatically correct and clear. This principle dictates that the verb in a sentence must agree in number with its subject, meaning that the verb should be singular if the subject is singular and plural if the subject is…
Stomach Diseases: An Overview and Key Considerations Stomach Diseases: An Overview and Key Considerations Stomach disease is a general term referring to various conditions affecting the stomach, including: Gastritis: Inflammation of the stomach lining, which can be acute or chronic. Peptic Ulcer Disease (PUD): Deeper sores in the stomach lining, forming ulcers. Stomach Cancer: Abnormal…
Sterilization Requirements for Eye Drops Sterilization Requirements for Eye Drops The eyes are sensitive organs that are susceptible to infection Therefore, sterilization requirements for eye drops are paramount to ensure the safety of the user. 1. Types of Eye Drops and Sterilization Requirements: Single-use eye drops: Sterile formulation: The strictest requirement, ensuring the drug is…
Squamous Cell Carcinoma (SCC) Squamous Cell Carcinoma (SCC) 1. Introduction: Squamous cell carcinoma (SCC) is a type of skin cancer that originates from the squamous cells of the skin and mucous membranes. SCC differs from basal cell carcinoma in its ability to invade and metastasize distantly. 2. Clinical Presentation: History: SCC often arises from precancerous…
Sly Senses: Adding Knowledge About Sight, Hearing, and Taste Sly Senses: Adding Knowledge About Sight, Hearing, and Taste This article will provide supplementary and detailed information about the senses: sight, hearing, and taste. I. Sight 1. Structure of the Eye Structure: The eye consists of 3 layers: outer layer, middle layer, inner layer. Outer layer:…
Series and Parallel Circuits Series and Parallel Circuits I. Series Circuits 1. Ohm’s Law: Statement: The current flowing through a conductor is directly proportional to the voltage applied across its ends and inversely proportional to the resistance of the conductor. Formula: I = U/R I: Current (A) U: Voltage (V) R: Resistance (Ω) 2. Characteristics…
Second Trimester Ultrasound: Exploring Fetal Development Second Trimester Ultrasound: Exploring Fetal Development The second trimester ultrasound is an essential part of monitoring the health of both the mother and the fetus, typically performed between the 18th and 22nd week of pregnancy. This ultrasound provides valuable information about the baby’s development, helps detect any abnormalities early,…