Substance abuse can spread STIs because when a user shares needles with an infected person, it can spread through the blood. Any high-risk behavior like this spreads STIs.
T cells
The immune response to a transplanted organ consists of both cellular (lymphocyte mediated) and humoral (antibody mediated) mechanisms. Although other cell types are also involved, the T cells are central in the rejection of grafts. The rejection reaction consists of the sensitization stage and the effector stage.
Answer: could you be more specific what is your question
Explanation:
The correct answer is option C. Endocrine glands secrete hormones into the bloodstream because endocrine glands are ductless and the exocrine glands have ducts so they secrete their hormones into the ducts.
Answer:The process of photosynthesis is energy-releasing because the process converts light energy into free energy that can be
used for cell functions.
Explanation:
Photosynthesis is a process used by green plants to convert light energy into chemical energy that is later released to fuel the organisms' activities. ... In these light-dependent reactions, some energy is used to release electrons from suitable substances, such as water, producing oxygen gas.
