Question

1. the ________ controls sexual development and the development of sperm.

thyroid
testicles
thymus
pineal gland

1. what gland is essential for development of t - cells?

thymus
pancreas
thyroid
pituitary

Explanation:

• For question 35, the testicles produce male - sex hormones and sperm, playing a key role in sexual development and sperm production. The thyroid regulates metabolism, the thymus is related to immune - cell development, and the pineal gland is involved in sleep - wake cycles.
• For question 36, the thymus is where T - cells mature and develop. The pancreas is related to digestion and blood - sugar regulation, the thyroid to metabolism, and the pituitary is the'master gland' controlling other endocrine glands but not specifically for T - cell development.

Answer:

1. B. Testicles
2. A. Thymus