input: OPTIONS:
- acids
- fluids
- enzymes
- hormones Now, answer this question: Q: What are the secretions released by the endocrine glands called? A:
A:
output: hormones

Q: Hagfishes have a skull made of what? A:

OPTIONS:
- gelatin
- chitin
- bone
- cartilage

Answer: cartilage

Problem: OPTIONS:
- eyes
- lungs
- brains
- kidneys
Q: Q: Excretion is the process of removing excess water and wastes from the body. what are the main organs of excretion? A:
Answer: kidneys

Problem:OPTIONS:
- invention
- mechanisms
- science
- technology

Q: What term describes the application of knowledge to real-world problems and is practiced by engineers? A:
****
A: technology

Q: What basic structures take in nutrients from the soil and help the plant survive? A:
OPTIONS:
- tissues
- stems
- leaves
- roots
roots

Q: When does sublimation occur? A:
OPTIONS:
- when the wind changes direction
- when the snow melts the ice caps
- when the ice and sand change directly into water vapors
- when the ice and snow change directly into water vapors

Answer:
when the ice and snow change directly into water vapors