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The pineal gland is part of two systems,the endocrine system and the nervous system.
Q4: Growth hormone and insulin are antagonistic hormones.
Q14: Precapillary sphincters increase the flow of blood
Q51: Referred pain is psychosomatic pain brought on
Q73: Explain how a hormone can act specifically
Q77: Select one heart valve. Give its name,
Q106: In the indirect measurement of blood volume,
Q117: What part of the hemoglobin molecule combines
Q125: The blood entering the aorta has just
Q148: Area of dense concentration of cones<br>A)Aqueous humor<br>B)Choroid<br>C)Cones<br>D)Cornea<br>E)Fovea
Q150: The cardiovascular system is sometimes called the