Anatomy Questions
Explore questions in the Anatomy category that you can ask Spark.E!
Which of the following cardiovascular diseases is caused by a narrowing of the arteries causing the heart to work harder when pumping?
What is the structure that guides the gonads in males and females downwards for descent?
Which of the following features enable organisms like planarian to respire and exchange nutrients?
What two esophageal disorders are associated with an increased risk for squamous cell carcinoma of the esophagus?
The SA node receives the initial electrical impulse that will trigger the atrial fibers to contract.
The circulatory system is the only way by which an animal can supply oxygen and nutrients to its cells, or remove waste materials from the cells.
Identify the correct sequence of events for the formation of a blood clot.Platelets get lodged at the site of vessel injury and partially seal the leak.Thrombin forms long threads known as fibrin.The fibrin framework will trap red blood cells in the clot to seal the leak.Prothrombin activator converts prothrombin into thrombin.Platelets release prothrombin activator.Fibrin winds around the platelet plug forming a framework for the clot.
Describe the events that occur in the clotting of blood by choosing the correct sequence of statements that outlines the process.1. Platelets and injured tissue release prothrombin activator.2. The activated fragments join end-to-end, forming long threads.3. Platelets clump at the sight of puncture and partially seal the leak.4. Fibrin threads wind around the platelet plug in the damaged area and provide a framework for the clot.5. Thrombin, acting as an enzyme, severs two amino acid chains (activated fragments) from each fibrinogen molecule.6. Prothrombin activator converts prothrombin to thrombin.7. Red blood cells are trapped within the fibrin framework forming a clot.
The gubernaculum guides the testis down to the abdominal wall and what finger like projection punches through the wall?
The leading cause of preventable death in the United States is cardiovascular disease. Which of the following are lifestyle modifications that would lower a person's risk of CVD?
Which valve is responsible for preventing the backflow of blood into the right ventricle?
The hemocoel is an open space in an insect that contains blood outside of the vessels.
Sphincter muscles regulate the opening and closing of the capillary beds, directing the flow of blood to different areas of the body depending on the body's needs.
Open circulatory systems are characterized by the presence of hemolymph as seen in annelids.
Which type of blood component is involved in the initiation of clotting?
The pacemaker of the cardiac conduction system is the
Which structure does blood pass through immediately before it enters the left ventricle?
Platelets will release prothrombin activator at the site of an injury to initiate the clotting sequence.
The coronary arteries are important because they serve the
After leaving our left ventricle, blood next passes through the