A haversian canal is a(n) Select one:
O A. fiber in dense bone
O B. meshwork in spongy bone
O C. depression on the surface of a bone
O D. channel in dense bone

If two parents who's blood types are both b produce a child that has blood type o, what can you say about the parent's genotybes? oa) one is ii ob) one is ibi oc) both are bi od) nothing, this is impossible

Nucleic acid certain protein cell membranes certain carbohydrates

The nervous system interacts with the endocrine system by a. using hormones as connections b. sending nerve impulses directly to glands c. using neuroendocrine cells as connections d. sending neurotransmitters directly to neurons