Yes. if you are age 70 you may be able to qualify to purchase a term life insurance policy.
Keep in mind, term life is temporary coverage, which means you may outlive the duration of your life insurance protection.
Usually, insurers offer 70 year olds a maximum policy term of around 10 or 15 years.
With level term life insurance you will pay the same premium each year for the duration of your coverage, and the amount of life insurance provided by your policy will never decrease during the policy term.
Learn more about buying a term life policy for 70 year olds.