How many synovial joints are in the hand:

Explanation:

The carpometacarpal joints are synovial joints between the distal carpal bones and the metacarpals, and the intermetacarpal joints are between the metacarpals. The carpometacarpal joint of the thumb is a saddle-shaped joint between the trapezium and the base of the first metacarpal.

menstruation is a process in which blood and mucous flows out every month through the vagina. this process occurs every month because one egg is released from the ovary every month and at the same time, the uterus (womb) prepares itself to receive the fertilized egg.

explanation:

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i'm pretty sure questions like these aren't allowd.   but, sure.   i can and talk : ))