No, a carnival is not a type of animal. A carnival is a party that is thrown. Often times, this party will have rides that people can participate in, and food stands.
A homograph for "festival" or "carnival" that is also a similar type of event is "celebration."
Samba
People with blood type O are universal donors, not universal recipients.
The universal donor blood type is O negative. This blood type can be given to individuals of any blood type. The universal receiver blood type is AB positive. This blood type can receive blood from individuals of any blood type.
There is no blood group that is considered as universal recipient. Blood type O individuals are considered to be universal donors.
O+ :is a universal donor
Blood Type O+ is not universal (in ALL human beings), but is still regarded as the universal donor.
AB+ is the universal receiver. O - is the universal donor.
"Universal Donor" is a title ascribed to Type O blood. It is called this b/c it is compatible with any blood type. The universal receiver blood type is "type AB."
Type O negative blood is a universal donor blood type. In normal circumstances, anyone can receive type O negative blood in a transfusion. When it comes to plasma donation, type AB positive is a universal donor.
AB+ is the universal recipient.