Hemoglobin carries oxygen to the body's cells. which system contains hemoglobin?
a. nervous
b. endocrine
c. respiratory
d. circulatory

When practicing refusal skills, it is beneficial to participate in a potentially stressful or threatening situation. select the best answer from the choices provided. t f

Which description best defines the nervous system and its two main branches? a: the message center of the body, split into the autonomic nervous system and the somatic nervous system b: the control panel of the body, split into the central nervous system and the exterior nervous system c: the message center of the body, split into the central nervous system and the peripheral nervous system d: the control panel of the body, split into the brain and the spinal cord

Me with this i need to get the answer quickly.