What regulates heartbeat and respiration? The medulla oblongata (myelencephalon) is the lower half of the brainstem continuous with the spinal cord. Its upper part is continuous with the pons. The medulla contains the cardiac, respiratory, vomiting, and vasomotor centers regulating heart rate, breathing, and blood pressure. What nervous system controls heart rate? Heart rate is […]
What age is appropriate for a skateboard?
What age is appropriate for a skateboard? The American Academy of Pediatrics (AAP) says that: Kids younger than 5 years should not skateboard. Kids age 6–10 years old can skateboard, but only with an adult watching. How do you convince your parents to let you go to the skatepark? Ask your mother If it’s OK […]
Do hummingbirds have a mouth?
Do hummingbirds have a mouth? The mouth contains only a few taste buds and salivary glands. The tongue (right) of the Ruby-throated Hummingbird is split (below right) and somewhat broadened and brushy at the tip, allowing capillary action to draw in more fluid. What is the mouth of a hummingbird called? A hummingbird’s tongue can […]
What is the most acidic fruit?
What is the most acidic fruit? The most acidic fruits are lemons, limes, plums, grapes, grapefruits and blueberries. Pineapples, oranges, peaches and tomatoes are also high in acid. It would be a mistake to remove these from our diet – after all, they are really nutritious and our body needs them. Is pineapple juice more […]
What is mucosal erythema?
What is mucosal erythema? Erythematous means redness. So, having erythematous mucosa means the inner lining of your digestive tract is red. Erythematous mucosa isn’t a disease. It’s a sign that an underlying condition or irritation has caused inflammation, which has increased blood flow to the mucosa and made it red. What causes inflammation of the […]
Can sharks live for 500 years?
Can sharks live for 500 years? They may live over 500 years. Scientists have suspected for a while that Greenland sharks lived extremely long lives, but they didn’t have a way to determine how long. The age of other shark species can be estimated by counting growth bands on fin spines or on the shark’s […]
What will go extinct in 2020?
What will go extinct in 2020? World Wildlife Day 2020: The Indian Cheetah and Sumatran Rhino were among some of the species that went extinct in 2019. Sumatran Rhino. Chinese paddlefish. Yangtze giant softshell turtle. Indian Cheetah. Spix Macaw. Catarina Pupfish. Indochinese tiger. What animals will go extinct in 2020? Black rhino, Sumatran rhino and […]
Why are some places considered sacred?
Why are some places considered sacred? There are also places that are revered and treated as nearly sacred, because of their history, because of the difficult past they may represent, or because they serve as memorials or sites of conscience—places that are set apart, as Jaeger said. What makes a sacred place sacred? What determines […]
How do you unlock MyKey volume limit?
Where is my screenshot button?
Where is my screenshot button? Take a screenshot Open the screen that you want to capture. Depending on your phone: Press the Power and Volume down buttons at the same time. At the bottom left, you’ll find a preview of your screenshot. On some phones, at the top of the screen, you’ll find Screenshot capture […]