In which connective tissue do calcium salts form the ground substances?
A. Areolar
B. Reticular
C. Elastic cartilage
D. Bone
D. Bone
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Amy is a premed student with a summer job as an animal research technician. One of her duties is to withdraw blood by syringe from the anterior vena cava of pigs, to be analyzed for various hormones. During her training she noticed that most blood samples were very dark in color, but occasionally a sample was bright red. Propose an explanation.
What will be an ideal response?
Cells of the epidermis are held together by highly convoluted, interlocking cellular links called ____________________
Fill in the blank(s) with correct word
Which renal structure is responsible for producing hypertonic urine by reabsorbing water while allowing metabolic wastes and NaCl to pass through?
A. Glomerulus B. Collecting duct C. Nephron loop D. Distal convoluted tubule E. Proximal convoluted tubule
When is the scrotum formed in the male?
A. 6 weeks B. 9 weeks C. 14 weeks D. 20 weeks