BIO101 Basic I-Biology Comprehensive Quiz Study Guide

Human Circulatory System: Structure and Function

  • Blood Vessel Classification

    • Arteries: Specialized blood vessels that carry blood away from the heart to various parts of the body.

    • Veins: Blood vessels responsible for carrying blood back towards the heart.

    • Capillaries: Small vessels where the exchange of materials between the blood and tissue cells occurs.

  • Cardiac Output and Blood Flow Pathways

    • Left Ventricle: This chamber of the heart pushes oxygenated blood towards the Aorta, which is the largest artery in the body, to initiate systemic circulation.

    • Right Ventricle: This chamber pushes deoxygenated blood into the Pulmonary Artery, directed towards the Lungs for oxygenation.

  • Blood Composition and Volume

    • Hemoglobin: The specific component of blood that helps in the exchange and transport of oxygen within blood cells.

    • Average Blood Volume: The average blood level in the body of a human is approximately 5L5\,L.

    • Other Blood Components: The blood contains various proteins such as Fibrinogen, Globulin, and Albumin, though these were noted in the context of oxygen transport options.

Human Digestive System and Nutrition

  • Nutrient Delivery to Cells

    • Cells obtain their necessary food and nutrients directly from the Blood.

  • Dietary Classification

    • Humans are classified as Omnivores because their diet includes both plants (vegetables) and meat (such as chicken and beef).

  • Digestive Anatomy and Processes

    • Gullet: The passage through which food moves between the mouth and the stomach.

    • Large Intestine: The primary site where water from undigested food is absorbed back into the body.

Respiratory and Excretory Systems

  • Respiratory System Architecture

    • Alveoli: Defined as the smallest functional unit of the lungs, facilitating gas exchange.

    • Lung Components: Other structures mentioned in the respiratory pathway include Bronchi, Bronchioles, and the Nephron (though the nephron is specifically the unit of the kidney, not the lung).

  • Metabolic Waste Management

    • Excretion: The biological process involving the removal of metabolic wastes from an organism.

    • Distinctions in Waste Removal: The process is distinct from Defecation (removal of undigested food) and Respiration (gas exchange).

Quiz Metadata and Questions Summary

  • Course and Quiz Identifiers

    • Course Code: BIO101 - Basic I-Biology.

    • Quiz Sessions: Quiz no. 3 and Quiz no. 4.

    • Evaluation Dates: 25 August 2022 and 01 September 2022.

    • Scoring: Each question was worth a total of 11 mark.

  • Questions & Discussion Topics

    • Question: Which type of blood vessels carries blood away from the heart?

      • Correct Option: Arteries.

    • Question: Humans are… i.e., they eat plants (vegetables) and meat (chicken, beef).

      • Correct Option: Omnivores.

    • Question: Left ventricle pushes blood towards…

      • Correct Option: Aorta.

    • Question: Right ventricle pushes blood in the pulmonary artery towards…

      • Correct Option: Lungs.

    • Question: From what source do cells get their food?

      • Correct Option: Blood.

    • Question: Water from the undigested food is absorbed mainly in the…

      • Correct Option: Large intestine.

    • Question: Which one of the following is smallest unit of lungs?

      • Correct Option: Alveoli.

    • Question: Average blood level in body of human…

      • Correct Option: 5L5\,L.

    • Question: The removal of the metabolic wastes of an organism is…

      • Correct Option: Excretion.

    • Question: Where does food pass through between the mouth and the stomach?

      • Correct Option: The gullet.

    • Question: Which of the following help in exchange of Oxygen in Blood cells?

      • Correct Option: Hemoglobin.