Today, Courtney discusses The Complex Circulatory System by Dr. Lainna Callentine from the God’s Marvelous Machine series by MasterBooks. ⚫️The Christian Adventure Guide: https://amzn.to/3QWDTeW (affil link)⚫️The Complex Circulatory System: https://amzn.to/3Pu7ZFn (affil link)You can also support us here: ▪️ Patreon: https://www.patreon.com/TheWanderingPilgrims ▪️ Shop: https://teespring.com/stores/the-wandering-pilgrims ▪️Our Website: www.thewanderingpilgrims.comConnect with us here:  ▪️Instagram: https://www.instagram.com/thewanderingpilgrims/ ▪️Facebook: https://m.facebook.com/The-Wandering-Pilgrims-581206039071736/ ▪️YouTube: https://youtube.com/channel/UCbvMuDo9dpaQ0Bu71lRRiQw ▪️Twitter: @WanderPilgrims▪️Gab: https://gab.com/wanderingpilgrims ▪️Truth Social: @wanderingpilgrims