Pogi

• What type of circulation carries oxygenated blood to the body?

  1. Systemic Circulation
• What is the purpose of systemic circulation?

  It provides the functional blood supply to all body tissue.
• When does air move out of the lungs?

  When the pressure inside the lungs is greater than the pressure in the atmosphere.
• What is the large blood vessel that takes oxygenated blood from the heart to the body?

  1. Artery
• What happens to the diaphragm when we breathe in?

  The diaphragm moves down away from the lungs.
• How do the respiratory and circulatory systems work together?

  They supply the body's cells with oxygen.
• Where does oxygen-rich blood enter after leaving the lungs?

  1. Left Atrium
• What occurs when the diaphragm contracts during inhalation?

  The diaphragm pulls downward, and the rib muscles contract and pull upward.
• How does the circulatory system respond when the body needs more oxygen?


  The heart beats faster to match the increase in breathing rate.
• Which blood vessel carries blood back to the heart?

  1. Vein
• What is the correct sequence of the pathways through which air travels after entering the body?

  1. Trachea, bronchi, bronchioles, alveoli
• What happens if a rupture occurs in the pulmonary artery?

  1. The passageway of blood going to lungs is affected.
• How does oxygen get to the cells of the body?

  1. Blood carries the oxygen throughout the body.
• Which pair shows good examples of characteristics of a balanced, healthy lifestyle?

  1. Nutritional diet and regular water drinking
• What must follow the intake of oxygen into the lungs to maintain homeostasis?


  1. The exhalation of carbon dioxide.
• Which practice may weaken our circulatory system?

  1. Staying up late at night
• What is the correct order of blood circulation starting from the different parts of the body?

  1. Superior and inferior vena cava, right atrium, right ventricle, lungs, left atrium, left ventricle, aorta, body
• What condition guarantees that a male offspring will have red-green color blindness?

  1. The father is colorblind
• What is the result of a cross between heterozygous chickens with black and white feathers?

  1. Black and white speckled feathers
• What is the chronic respiratory condition that causes difficulty in breathing due to inflammation of the airways?

  1. Asthma
• What is an example of three or more alleles of the same gene that code for a single trait?


  1. Multiple alleles
• What happens if a vessel supplying blood to the brain becomes blocked or bursts?

  1. Stroke
• What does each sex cell contribute when they combine to produce offspring?

  1. Half the normal number of chromosomes
• Who should you consult if you are having difficulty in breathing?

  1. A Pulmonologist
• Why are sex-linked traits more common in males than in females?

  1. A recessive allele on the X chromosomes will always produce the trait in a male
• What is the genotype of pink four o’clock flowers obtained from a cross between pure bred red and white flower plants?

  1. RW
• What may some endangered species of plants in tropical rain forests be sources of?

  1. Medicine
• What will be the sex of a child if an egg is fertilized by a Y chromosome sperm?

  1. Male
• What does the notation $tt$ mean to geneticists?


  1. Two recessive alleles
• What is the genotype of pink four o'clock flowers obtained from a cross between pure bred red flower plant and white flower plant?

  RW
• What are some potential sources of endangered species of plants in tropical rain forests?

  Medicine
• What will be the sex of a child if an egg is fertilized by a Y chromosome sperm?

  Male
• What does the notation $tt$ mean to geneticists?


  Two recessive alleles
• What is an organism's physical appearance referred to as?

  Phenotype
• What is the average temperature of the earth’s atmosphere affected by?

  The greenhouse effect
• What is an example of the benefits of genetic engineering?

  Creating human insulin to treat people with diabetes
• What is a group of living things within a certain area that are all of the same species called?

  Population
• What is a nucleotide in DNA composed of?

  A deoxyribose sugar, a phosphate, and a nitrogen base
• How does the destruction of coral reefs and mangrove forests contribute to species extinction?

  Breeding grounds and nurseries of marine species are destroyed
• Why can planting trees and putting up urban gardens help prevent global warming?

  Plants absorb carbon dioxide that contributes to the rising of the earth’s temperature