When You Are Scared or Cold and Turn Pale It

Q13: What is the function of the lymphatic

Q14: All of these animals have a four-chambered

Q15: Describe how arteries are adapted to carry

Q16: Mollusks and arthropods have closed circulatory systems.

Q17: Which animal has a gastrovascular cavity?<br>A)Flatworms,such as

Q19: Which of the following is the single

Q20: Choose the function that does not characterize

Q21: Unlike other blood cells,certain types of _

Q22: Fibrinogen's main function is as an osmotic

Q23: Platelets are important in:<br>A)blood clotting<br>B)transporting carbon dioxide<br>C)the