101Teas 6 science practice questions

What is the name of the structure that prevents food from entering the airway? AnsEpiglottis Which substance makes up the pads that provide support between the vertebrae? AnsCartilage The two criteria for classifying ...

What is the name of the structure that prevents food from entering the airway? AnsEpiglottis Which substance makes up the pads that provide support between the vertebrae? AnsCartilage The two criteria for classifying epithelial tissue are cell layers and ______ Ans- Cell shape Where is the parathyroid gland located? Ans- Neck How many organ systems are in the human body? Ans- 11 Which element within the respiratory system is responsible for removing foreign matter from the lungs? Ans- Cilia What is the name of the process in the lungs by which oxygen is transported from the air to the blood? Ans- Diffusion Which gland is responsible for the regulation of calcium levels? Ans- Parathyroid Which secretion of the digestive system is responsible for water reabsorption? AnsLarge intestine Describe one responsibility of the integumentary system. Ans- Blocking pathogens that cause disease When are parasympathetic nerves active within the nervous system? Ans- When a person is resting or eating What best describes the relationship between the circulatory system and the integumentary system? Ans- Removal of excess heat from body Once blood has been oxygenated, it travels through the pulmonary veins, through the left atrium, and then through the _______ before entering the left ventricle. Ans- Mitral valve The part of the human excretory system most responsible for maintaining normal body temperature is what? Ans- Sweat glands A part of what body system controls fluid loss, protects deep tissue, and synthesizes vitamin D? Ans- Integumentary system The respiratory system ______ oxygen and ______ carbon dioxide. Ans- Delivers; expels What is the name for any substance that stimulates the production of antibodies? AnsAntigen What does not exist in RNA? Ans- Thymine