Answer:
2 cups raw spinach, 1 medium pear, 1 medium white potato.
OR
2 medium carrots, 2 cups raw kale, 1 medium white potato.
Since there are no options listed to choose from, my best guess would be watches, since a lot of apple watch products are now sold with built in heart monitors.
Oranges are healthy because they have vitamin C in them which is good for your immune system.
Milk is healthy because it has calcium which is good for your bones.
Fish is healthy because is has vitamin B which promotes cell health.
A scalpel is well known for its physical appearance being tiny and sharp which is useful particularly in surgeries and anatomical dissections. Its disadvantage during dissection activities is it may injure or provocatively cut important organs or structure that may need extensive care.