What function do capillaries serve in the cardiovascular system?A.carry blood to the brainB.return blood to the lungsC.help control body temperatureD.replace old blood cells Please select the best answer from the choices provided.
The aorta carries blood out of the heart to the rest of the body. Please select the best answer from the choices provided.
All cardiovascular diseases are caused by poor lifestyle choices.
Once entering the nose, air moves through both the pharynx and larynx.
White blood cells prevent the loss of blood by causing clotting. Please select the best answer from the choices provided.
What percentage of blood is made up of plasma?A.55%B.40%C.10%D.5%
Your friend Amanda suffers from a condition that reduces her blood's ability to carry oxygen. Which of the following is the name of that condition?A.emphysemaB.hemophiliaC.leukemiaD.anemia
How many chambers does the heart contain?A.3B.4C.5D.6
Nutrients and waste both enter and leave cells through a process called __________. A. effusion B. diffusion C. fusion D. emulsion Please select the best answer from the choices provided.
The human cardiovascular system is considered closed because __________.A.blood is continuously circulated in the body.B.blood provides nutrients to organs.C.blood collects oxygen from the lungsD.there are no holes for blood to enter or leave the system
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