Are there human health risks from exposure (or overexposure) to gamma radiation?

Which body part transports oxygen removes waste materials in carries nutrients to the body as part of the circulatory system

Ahockey player of mass 82 kg is traveling north with a velocity of 4.1 meters per second he collides with the 76 kg player traveling east at 3.4 meters per second if the two players locked together momentarily in what direction will they be going immediately after the collision how fast will they be moving

Describe how the motion of a spring being pushed forward and backward is similar to the motion of air particles in a sound wave.