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Carbohydrates do not supply energy to the brain and otherparts of the nervous system as well as to red blood cells true or false?
False. Carbohydrates are a primary source of energy for the brain, red blood cells, and other parts of the nervous system. Glucose, derived from carbohydrates, is essential for these cells' proper functioning, as they rely on it for energy. Inadequate carbohydrate intake can impair cognitive function and overall energy levels in the body.
Is Oxygen transported primarily by blood plasma true or false?
False. Oxygen is primarily transported by red blood cells, specifically by hemoglobin molecules inside the red blood cells. Oxygen binds to hemoglobin in the lungs and is then transported to tissues throughout the body.
Oxygenated blood is found in all arteries of the body. Is this true or false?
False. Oxygenated blood is found in the systemic arteries, which carry blood away from the heart to the body, but not in the pulmonary arteries, which carry blood from the heart to the lungs for oxygenation.
Does Mother's blood flows into the foetus through placenta.True or False?
False. The mothers blood flows through the placenta in vessels next to the foetal blood that flows in separate vessels. Oxygen and nutrients can flow from the mothers blood into the foetus' blood and carbon dioxide and waste products can flow from the foetus' blood to the mother's blood through the vessel membranes, however the two bloods will never actually mix.
True or False the tricuspid valve is closed while the atrium is contracting?
False. The valve is open so that the blood can be pumped to the ventricles.
True or false. fat is adsorbed directly from the digestive tract to the blood.?
False, fats go to the lymphatic system.
Receives blood via the hepatic portal system?
THE LIVER
True or false the fibula is part of the circulatory system?
No, the circulatory system involves blood, heart, viens, etc.
Red blood cells are called macrophages true or false?
FALSE macrophages are white blood cells that are a part of the immune response system.
The respiratory system includes the nose pharynx larynx trachea and bronchi?
false
Homeostasis is a function carried out solely by the cardiovascular and respiratory systems?
false
Which of the following statements about arteries and veins is false?
Veins can collapse, serving as the blood vessel with the greatest resistance to blood flow in the circulatory system
True or false the number one cause of death is the US is cardiovascular disease?
True
Is cardiovascular endurance the ability to perform short duration high intensity exercise?
false
True or false blood vessels that carry blood to the heart are called arteries?
False. Blood vessels that carry blood away from the heart are called arteries. Blood vessels that carry blood to the heart are called veins.
Cardiovascular exercise causes your lungs to breathe less often?
False - If you are exercising, you are breathing more.
Is it true or false that your blood is as salty as the ocean?
False. While blood does contain some salt, the concentration of salt in blood is not as high as in the ocean.
