Answer:
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Explanation:
Answer:
Blood has three main functions: transport, protection and regulation. Blood transports the following substances: Gases, namely oxygen (O2) and carbon dioxide (CO2), between the lungs and rest of the body.
Explanation:
Answer:
D. immune suppression
Explanation:
Sleep deprivation may decrease production of these cytokines. In addition, infection fighting antibodies and cells are reduced during periods when you don't get enough sleep. So, your body needs sleep to fight infectious diseases.
https://www.mayoclinic.org/diseases-conditions/insomnia/expert-answers/lack-of-sleep/faq-20057757
Inside the vagina. The sperm swim rapidly to the uterus through the cervix.