RMBs are biconcave disc shaped whereas nerve cells are long and branched .why do cells have such different shapes? Pls help I would truly appreciate it!​

How is the male reproductive system different from other body systems? it isn’t necessary to vital signs. it monitors other body systems, and adjusts if necessary. it transports items from one system to another. it is the only system that produces hormones in the male.

Isotopes of the same element have differ in their

Which of the following do all living things have in common